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Finding the Fourth Proportional to 29,702.16, 44,559.89 and 9,980.18

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Solution

The fourth proportional to 29,702.16, 44,559.89 and 9,980.18 is: 14,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,702.16 : 44,559.89 = 9,980.18 : x
  2. Step 2: Convert to fraction form
    29,702.16/44,559.89 = 9,980.18/x
  3. Step 3: Cross multiply
    29,702.16x = 44,559.89 × 9,980.18
  4. Step 4: Simplify right side
    29,702.16x = 444,715,654.81
  5. Step 5: Solve for x
    x = 444,715,654.81/29,702.16
  6. Step 6: Final answer
    x = 14,972.50

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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.