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Finding the Fourth Proportional to 61,937.13, 85,458.57 and 36,444.60

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Solution

The fourth proportional to 61,937.13, 85,458.57 and 36,444.60 is: 50,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,937.13 : 85,458.57 = 36,444.60 : x
  2. Step 2: Convert to fraction form
    61,937.13/85,458.57 = 36,444.60/x
  3. Step 3: Cross multiply
    61,937.13x = 85,458.57 × 36,444.60
  4. Step 4: Simplify right side
    61,937.13x = 3,114,503,400.22
  5. Step 5: Solve for x
    x = 3,114,503,400.22/61,937.13
  6. Step 6: Final answer
    x = 50,284.92

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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.