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Finding the Fourth Proportional to 8,773.56, 13,159.92 and 2,930.16

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Solution

The fourth proportional to 8,773.56, 13,159.92 and 2,930.16 is: 4,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.56 : 13,159.92 = 2,930.16 : x
  2. Step 2: Convert to fraction form
    8,773.56/13,159.92 = 2,930.16/x
  3. Step 3: Cross multiply
    8,773.56x = 13,159.92 × 2,930.16
  4. Step 4: Simplify right side
    8,773.56x = 38,560,671.19
  5. Step 5: Solve for x
    x = 38,560,671.19/8,773.56
  6. Step 6: Final answer
    x = 4,395.10

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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.