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Finding the Fourth Proportional to 26,553,642.90, 39,830,464.35 and 26,553,642.90

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Solution

The fourth proportional to 26,553,642.90, 39,830,464.35 and 26,553,642.90 is: 39,830,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,553,642.90 : 39,830,464.35 = 26,553,642.90 : x
  2. Step 2: Convert to fraction form
    26,553,642.90/39,830,464.35 = 26,553,642.90/x
  3. Step 3: Cross multiply
    26,553,642.90x = 39,830,464.35 × 26,553,642.90
  4. Step 4: Simplify right side
    26,553,642.90x = 1,057,643,926,891,080.62
  5. Step 5: Solve for x
    x = 1,057,643,926,891,080.62/26,553,642.90
  6. Step 6: Final answer
    x = 39,830,464.35

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Double scale
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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.