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Finding the Fourth Proportional to 63,095.74, 87,071.98 and 36,240

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Solution

The fourth proportional to 63,095.74, 87,071.98 and 36,240 is: 50,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,095.74 : 87,071.98 = 36,240 : x
  2. Step 2: Convert to fraction form
    63,095.74/87,071.98 = 36,240/x
  3. Step 3: Cross multiply
    63,095.74x = 87,071.98 × 36,240
  4. Step 4: Simplify right side
    63,095.74x = 3,155,488,555.20
  5. Step 5: Solve for x
    x = 3,155,488,555.20/63,095.74
  6. Step 6: Final answer
    x = 50,011.12

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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.