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Finding the Fourth Proportional to 62,366.48, 86,137.50 and 45,446.40

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Solution

The fourth proportional to 62,366.48, 86,137.50 and 45,446.40 is: 62,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,366.48 : 86,137.50 = 45,446.40 : x
  2. Step 2: Convert to fraction form
    62,366.48/86,137.50 = 45,446.40/x
  3. Step 3: Cross multiply
    62,366.48x = 86,137.50 × 45,446.40
  4. Step 4: Simplify right side
    62,366.48x = 3,914,639,280
  5. Step 5: Solve for x
    x = 3,914,639,280/62,366.48
  6. Step 6: Final answer
    x = 62,768.32

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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.