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Finding the Fourth Proportional to 61,442.02, 84,759.02 and 35,931.68

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Solution

The fourth proportional to 61,442.02, 84,759.02 and 35,931.68 is: 49,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,442.02 : 84,759.02 = 35,931.68 : x
  2. Step 2: Convert to fraction form
    61,442.02/84,759.02 = 35,931.68/x
  3. Step 3: Cross multiply
    61,442.02x = 84,759.02 × 35,931.68
  4. Step 4: Simplify right side
    61,442.02x = 3,045,533,983.75
  5. Step 5: Solve for x
    x = 3,045,533,983.75/61,442.02
  6. Step 6: Final answer
    x = 49,567.61

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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.