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Finding the Fourth Proportional to 64,125.52, 88,489.74 and 35,825.76

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Solution

The fourth proportional to 64,125.52, 88,489.74 and 35,825.76 is: 49,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,125.52 : 88,489.74 = 35,825.76 : x
  2. Step 2: Convert to fraction form
    64,125.52/88,489.74 = 35,825.76/x
  3. Step 3: Cross multiply
    64,125.52x = 88,489.74 × 35,825.76
  4. Step 4: Simplify right side
    64,125.52x = 3,170,212,187.70
  5. Step 5: Solve for x
    x = 3,170,212,187.70/64,125.52
  6. Step 6: Final answer
    x = 49,437.61

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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.