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Finding the Fourth Proportional to 26,169, 39,200.04 and 21,772.32

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Solution

The fourth proportional to 26,169, 39,200.04 and 21,772.32 is: 32,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169 : 39,200.04 = 21,772.32 : x
  2. Step 2: Convert to fraction form
    26,169/39,200.04 = 21,772.32/x
  3. Step 3: Cross multiply
    26,169x = 39,200.04 × 21,772.32
  4. Step 4: Simplify right side
    26,169x = 853,475,814.89
  5. Step 5: Solve for x
    x = 853,475,814.89/26,169
  6. Step 6: Final answer
    x = 32,614.00

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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.