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Finding the Fourth Proportional to 29,020.40, 43,530.64 and 8,244.08

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Solution

The fourth proportional to 29,020.40, 43,530.64 and 8,244.08 is: 12,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,020.40 : 43,530.64 = 8,244.08 : x
  2. Step 2: Convert to fraction form
    29,020.40/43,530.64 = 8,244.08/x
  3. Step 3: Cross multiply
    29,020.40x = 43,530.64 × 8,244.08
  4. Step 4: Simplify right side
    29,020.40x = 358,870,078.61
  5. Step 5: Solve for x
    x = 358,870,078.61/29,020.40
  6. Step 6: Final answer
    x = 12,366.13

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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.