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Finding the Fourth Proportional to 62,785.80, 94,332.30 and 47,233.80

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Solution

The fourth proportional to 62,785.80, 94,332.30 and 47,233.80 is: 70,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,785.80 : 94,332.30 = 47,233.80 : x
  2. Step 2: Convert to fraction form
    62,785.80/94,332.30 = 47,233.80/x
  3. Step 3: Cross multiply
    62,785.80x = 94,332.30 × 47,233.80
  4. Step 4: Simplify right side
    62,785.80x = 4,455,672,991.74
  5. Step 5: Solve for x
    x = 4,455,672,991.74/62,785.80
  6. Step 6: Final answer
    x = 70,966.25

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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.