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Finding the Fourth Proportional to 63,313.66, 87,375.14 and 35,019.55

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Solution

The fourth proportional to 63,313.66, 87,375.14 and 35,019.55 is: 48,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,313.66 : 87,375.14 = 35,019.55 : x
  2. Step 2: Convert to fraction form
    63,313.66/87,375.14 = 35,019.55/x
  3. Step 3: Cross multiply
    63,313.66x = 87,375.14 × 35,019.55
  4. Step 4: Simplify right side
    63,313.66x = 3,059,838,083.99
  5. Step 5: Solve for x
    x = 3,059,838,083.99/63,313.66
  6. Step 6: Final answer
    x = 48,328.25

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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.