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Finding the Fourth Proportional to 62,780.73, 86,652.35 and 35,938.74

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Solution

The fourth proportional to 62,780.73, 86,652.35 and 35,938.74 is: 49,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,780.73 : 86,652.35 = 35,938.74 : x
  2. Step 2: Convert to fraction form
    62,780.73/86,652.35 = 35,938.74/x
  3. Step 3: Cross multiply
    62,780.73x = 86,652.35 × 35,938.74
  4. Step 4: Simplify right side
    62,780.73x = 3,114,176,277.04
  5. Step 5: Solve for x
    x = 3,114,176,277.04/62,780.73
  6. Step 6: Final answer
    x = 49,604.02

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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.