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Finding the Fourth Proportional to 88,695.95, 133,062.89 and 25,515.47

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Solution

The fourth proportional to 88,695.95, 133,062.89 and 25,515.47 is: 38,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,695.95 : 133,062.89 = 25,515.47 : x
  2. Step 2: Convert to fraction form
    88,695.95/133,062.89 = 25,515.47/x
  3. Step 3: Cross multiply
    88,695.95x = 133,062.89 × 25,515.47
  4. Step 4: Simplify right side
    88,695.95x = 3,395,162,382.99
  5. Step 5: Solve for x
    x = 3,395,162,382.99/88,695.95
  6. Step 6: Final answer
    x = 38,278.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.