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Finding the Fourth Proportional to 64,417.78, 88,851.57 and 62,250.22

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Solution

The fourth proportional to 64,417.78, 88,851.57 and 62,250.22 is: 85,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,417.78 : 88,851.57 = 62,250.22 : x
  2. Step 2: Convert to fraction form
    64,417.78/88,851.57 = 62,250.22/x
  3. Step 3: Cross multiply
    64,417.78x = 88,851.57 × 62,250.22
  4. Step 4: Simplify right side
    64,417.78x = 5,531,029,779.85
  5. Step 5: Solve for x
    x = 5,531,029,779.85/64,417.78
  6. Step 6: Final answer
    x = 85,861.85

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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.