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Finding the Fourth Proportional to 29,702.92, 44,560.29 and 9,980.72

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Solution

The fourth proportional to 29,702.92, 44,560.29 and 9,980.72 is: 14,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,702.92 : 44,560.29 = 9,980.72 : x
  2. Step 2: Convert to fraction form
    29,702.92/44,560.29 = 9,980.72/x
  3. Step 3: Cross multiply
    29,702.92x = 44,560.29 × 9,980.72
  4. Step 4: Simplify right side
    29,702.92x = 444,743,777.61
  5. Step 5: Solve for x
    x = 444,743,777.61/29,702.92
  6. Step 6: Final answer
    x = 14,973.07

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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.