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Finding the Fourth Proportional to 63,392.16, 87,480.88 and 34,320.55

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Solution

The fourth proportional to 63,392.16, 87,480.88 and 34,320.55 is: 47,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,392.16 : 87,480.88 = 34,320.55 : x
  2. Step 2: Convert to fraction form
    63,392.16/87,480.88 = 34,320.55/x
  3. Step 3: Cross multiply
    63,392.16x = 87,480.88 × 34,320.55
  4. Step 4: Simplify right side
    63,392.16x = 3,002,391,307.08
  5. Step 5: Solve for x
    x = 3,002,391,307.08/63,392.16
  6. Step 6: Final answer
    x = 47,362.19

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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.