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Finding the Fourth Proportional to 63,461.52, 87,587.28 and 48,330

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Solution

The fourth proportional to 63,461.52, 87,587.28 and 48,330 is: 66,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,461.52 : 87,587.28 = 48,330 : x
  2. Step 2: Convert to fraction form
    63,461.52/87,587.28 = 48,330/x
  3. Step 3: Cross multiply
    63,461.52x = 87,587.28 × 48,330
  4. Step 4: Simplify right side
    63,461.52x = 4,233,093,242.40
  5. Step 5: Solve for x
    x = 4,233,093,242.40/63,461.52
  6. Step 6: Final answer
    x = 66,703.31

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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.