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Finding the Fourth Proportional to 60,702.99, 91,062.99 and 21,251.13

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Solution

The fourth proportional to 60,702.99, 91,062.99 and 21,251.13 is: 31,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,702.99 : 91,062.99 = 21,251.13 : x
  2. Step 2: Convert to fraction form
    60,702.99/91,062.99 = 21,251.13/x
  3. Step 3: Cross multiply
    60,702.99x = 91,062.99 × 21,251.13
  4. Step 4: Simplify right side
    60,702.99x = 1,935,191,438.68
  5. Step 5: Solve for x
    x = 1,935,191,438.68/60,702.99
  6. Step 6: Final answer
    x = 31,879.67

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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.