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Finding the Fourth Proportional to 63,135.84, 87,127.97 and 34,455.72

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Solution

The fourth proportional to 63,135.84, 87,127.97 and 34,455.72 is: 47,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,135.84 : 87,127.97 = 34,455.72 : x
  2. Step 2: Convert to fraction form
    63,135.84/87,127.97 = 34,455.72/x
  3. Step 3: Cross multiply
    63,135.84x = 87,127.97 × 34,455.72
  4. Step 4: Simplify right side
    63,135.84x = 3,002,056,766.21
  5. Step 5: Solve for x
    x = 3,002,056,766.21/63,135.84
  6. Step 6: Final answer
    x = 47,549.17

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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.