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Finding the Fourth Proportional to 62,197.68, 85,765.04 and 42,019.52

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Solution

The fourth proportional to 62,197.68, 85,765.04 and 42,019.52 is: 57,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,197.68 : 85,765.04 = 42,019.52 : x
  2. Step 2: Convert to fraction form
    62,197.68/85,765.04 = 42,019.52/x
  3. Step 3: Cross multiply
    62,197.68x = 85,765.04 × 42,019.52
  4. Step 4: Simplify right side
    62,197.68x = 3,603,805,813.58
  5. Step 5: Solve for x
    x = 3,603,805,813.58/62,197.68
  6. Step 6: Final answer
    x = 57,941.16

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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.