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Finding the Fourth Proportional to 63,455.70, 87,567.57 and 35,160.78

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Solution

The fourth proportional to 63,455.70, 87,567.57 and 35,160.78 is: 48,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,455.70 : 87,567.57 = 35,160.78 : x
  2. Step 2: Convert to fraction form
    63,455.70/87,567.57 = 35,160.78/x
  3. Step 3: Cross multiply
    63,455.70x = 87,567.57 × 35,160.78
  4. Step 4: Simplify right side
    63,455.70x = 3,078,944,063.90
  5. Step 5: Solve for x
    x = 3,078,944,063.90/63,455.70
  6. Step 6: Final answer
    x = 48,521.16

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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.