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Finding the Fourth Proportional to 62,017.60, 85,580 and 36,862.40

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Solution

The fourth proportional to 62,017.60, 85,580 and 36,862.40 is: 50,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,017.60 : 85,580 = 36,862.40 : x
  2. Step 2: Convert to fraction form
    62,017.60/85,580 = 36,862.40/x
  3. Step 3: Cross multiply
    62,017.60x = 85,580 × 36,862.40
  4. Step 4: Simplify right side
    62,017.60x = 3,154,684,192
  5. Step 5: Solve for x
    x = 3,154,684,192/62,017.60
  6. Step 6: Final answer
    x = 50,867.56

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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.