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Finding the Fourth Proportional to 63,312.66, 87,373.76 and 35,018.55

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Solution

The fourth proportional to 63,312.66, 87,373.76 and 35,018.55 is: 48,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,312.66 : 87,373.76 = 35,018.55 : x
  2. Step 2: Convert to fraction form
    63,312.66/87,373.76 = 35,018.55/x
  3. Step 3: Cross multiply
    63,312.66x = 87,373.76 × 35,018.55
  4. Step 4: Simplify right side
    63,312.66x = 3,059,702,208.16
  5. Step 5: Solve for x
    x = 3,059,702,208.16/63,312.66
  6. Step 6: Final answer
    x = 48,326.86

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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.