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Finding the Fourth Proportional to 62,078, 85,652.70 and 36,585.38

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Solution

The fourth proportional to 62,078, 85,652.70 and 36,585.38 is: 50,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,078 : 85,652.70 = 36,585.38 : x
  2. Step 2: Convert to fraction form
    62,078/85,652.70 = 36,585.38/x
  3. Step 3: Cross multiply
    62,078x = 85,652.70 × 36,585.38
  4. Step 4: Simplify right side
    62,078x = 3,133,636,577.53
  5. Step 5: Solve for x
    x = 3,133,636,577.53/62,078
  6. Step 6: Final answer
    x = 50,479.02

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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.