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Finding the Fourth Proportional to 64,142.42, 88,516.52 and 35,070.88

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Solution

The fourth proportional to 64,142.42, 88,516.52 and 35,070.88 is: 48,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,142.42 : 88,516.52 = 35,070.88 : x
  2. Step 2: Convert to fraction form
    64,142.42/88,516.52 = 35,070.88/x
  3. Step 3: Cross multiply
    64,142.42x = 88,516.52 × 35,070.88
  4. Step 4: Simplify right side
    64,142.42x = 3,104,351,854.29
  5. Step 5: Solve for x
    x = 3,104,351,854.29/64,142.42
  6. Step 6: Final answer
    x = 48,397.80

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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.