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Finding the Fourth Proportional to 60,298.52, 90,348.08 and 20,833.70

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Solution

The fourth proportional to 60,298.52, 90,348.08 and 20,833.70 is: 31,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,298.52 : 90,348.08 = 20,833.70 : x
  2. Step 2: Convert to fraction form
    60,298.52/90,348.08 = 20,833.70/x
  3. Step 3: Cross multiply
    60,298.52x = 90,348.08 × 20,833.70
  4. Step 4: Simplify right side
    60,298.52x = 1,882,284,238.39
  5. Step 5: Solve for x
    x = 1,882,284,238.39/60,298.52
  6. Step 6: Final answer
    x = 31,216.10

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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.