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Finding the Fourth Proportional to 64,295.30, 88,725.51 and 35,613.81

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Solution

The fourth proportional to 64,295.30, 88,725.51 and 35,613.81 is: 49,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,295.30 : 88,725.51 = 35,613.81 : x
  2. Step 2: Convert to fraction form
    64,295.30/88,725.51 = 35,613.81/x
  3. Step 3: Cross multiply
    64,295.30x = 88,725.51 × 35,613.81
  4. Step 4: Simplify right side
    64,295.30x = 3,159,853,455.29
  5. Step 5: Solve for x
    x = 3,159,853,455.29/64,295.30
  6. Step 6: Final answer
    x = 49,145.95

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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.