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Finding the Fourth Proportional to 60,330.80, 90,492.96 and 15,959

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Solution

The fourth proportional to 60,330.80, 90,492.96 and 15,959 is: 23,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,330.80 : 90,492.96 = 15,959 : x
  2. Step 2: Convert to fraction form
    60,330.80/90,492.96 = 15,959/x
  3. Step 3: Cross multiply
    60,330.80x = 90,492.96 × 15,959
  4. Step 4: Simplify right side
    60,330.80x = 1,444,177,148.64
  5. Step 5: Solve for x
    x = 1,444,177,148.64/60,330.80
  6. Step 6: Final answer
    x = 23,937.64

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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.