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Finding the Fourth Proportional to 40,395.80, 60,593.70 and 25,621.40

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Solution

The fourth proportional to 40,395.80, 60,593.70 and 25,621.40 is: 38,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.80 : 60,593.70 = 25,621.40 : x
  2. Step 2: Convert to fraction form
    40,395.80/60,593.70 = 25,621.40/x
  3. Step 3: Cross multiply
    40,395.80x = 60,593.70 × 25,621.40
  4. Step 4: Simplify right side
    40,395.80x = 1,552,495,425.18
  5. Step 5: Solve for x
    x = 1,552,495,425.18/40,395.80
  6. Step 6: Final answer
    x = 38,432.10

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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.