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Finding the Fourth Proportional to 52,604.40, 72,592.90 and 28,731.16

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Solution

The fourth proportional to 52,604.40, 72,592.90 and 28,731.16 is: 39,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,604.40 : 72,592.90 = 28,731.16 : x
  2. Step 2: Convert to fraction form
    52,604.40/72,592.90 = 28,731.16/x
  3. Step 3: Cross multiply
    52,604.40x = 72,592.90 × 28,731.16
  4. Step 4: Simplify right side
    52,604.40x = 2,085,678,224.76
  5. Step 5: Solve for x
    x = 2,085,678,224.76/52,604.40
  6. Step 6: Final answer
    x = 39,648.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.