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Finding the Fourth Proportional to 64,122.16, 88,488.84 and 37,280.38

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Solution

The fourth proportional to 64,122.16, 88,488.84 and 37,280.38 is: 51,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.16 : 88,488.84 = 37,280.38 : x
  2. Step 2: Convert to fraction form
    64,122.16/88,488.84 = 37,280.38/x
  3. Step 3: Cross multiply
    64,122.16x = 88,488.84 × 37,280.38
  4. Step 4: Simplify right side
    64,122.16x = 3,298,897,580.96
  5. Step 5: Solve for x
    x = 3,298,897,580.96/64,122.16
  6. Step 6: Final answer
    x = 51,447.08

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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.