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Finding the Fourth Proportional to 26,553,685.40, 39,830,528.10 and 26,553,685.40

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Solution

The fourth proportional to 26,553,685.40, 39,830,528.10 and 26,553,685.40 is: 39,830,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,553,685.40 : 39,830,528.10 = 26,553,685.40 : x
  2. Step 2: Convert to fraction form
    26,553,685.40/39,830,528.10 = 26,553,685.40/x
  3. Step 3: Cross multiply
    26,553,685.40x = 39,830,528.10 × 26,553,685.40
  4. Step 4: Simplify right side
    26,553,685.40x = 1,057,647,312,483,259.75
  5. Step 5: Solve for x
    x = 1,057,647,312,483,259.75/26,553,685.40
  6. Step 6: Final answer
    x = 39,830,528.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.