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Finding the Fourth Proportional to 60,959.76, 91,439.64 and 25,874.84

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Solution

The fourth proportional to 60,959.76, 91,439.64 and 25,874.84 is: 38,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,959.76 : 91,439.64 = 25,874.84 : x
  2. Step 2: Convert to fraction form
    60,959.76/91,439.64 = 25,874.84/x
  3. Step 3: Cross multiply
    60,959.76x = 91,439.64 × 25,874.84
  4. Step 4: Simplify right side
    60,959.76x = 2,365,985,597.46
  5. Step 5: Solve for x
    x = 2,365,985,597.46/60,959.76
  6. Step 6: Final answer
    x = 38,812.25

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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.