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Finding the Fourth Proportional to 64,143.60, 88,516.32 and 35,849.52

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Solution

The fourth proportional to 64,143.60, 88,516.32 and 35,849.52 is: 49,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,143.60 : 88,516.32 = 35,849.52 : x
  2. Step 2: Convert to fraction form
    64,143.60/88,516.32 = 35,849.52/x
  3. Step 3: Cross multiply
    64,143.60x = 88,516.32 × 35,849.52
  4. Step 4: Simplify right side
    64,143.60x = 3,173,267,584.17
  5. Step 5: Solve for x
    x = 3,173,267,584.17/64,143.60
  6. Step 6: Final answer
    x = 49,471.30

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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.