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Finding the Fourth Proportional to 64,902.47, 89,557.74 and 37,672.25

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Solution

The fourth proportional to 64,902.47, 89,557.74 and 37,672.25 is: 51,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,902.47 : 89,557.74 = 37,672.25 : x
  2. Step 2: Convert to fraction form
    64,902.47/89,557.74 = 37,672.25/x
  3. Step 3: Cross multiply
    64,902.47x = 89,557.74 × 37,672.25
  4. Step 4: Simplify right side
    64,902.47x = 3,373,841,122.93
  5. Step 5: Solve for x
    x = 3,373,841,122.93/64,902.47
  6. Step 6: Final answer
    x = 51,983.25

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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.