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Finding the Fourth Proportional to 29,000.40, 43,507.08 and 9,280.14

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Solution

The fourth proportional to 29,000.40, 43,507.08 and 9,280.14 is: 13,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,000.40 : 43,507.08 = 9,280.14 : x
  2. Step 2: Convert to fraction form
    29,000.40/43,507.08 = 9,280.14/x
  3. Step 3: Cross multiply
    29,000.40x = 43,507.08 × 9,280.14
  4. Step 4: Simplify right side
    29,000.40x = 403,751,529.46
  5. Step 5: Solve for x
    x = 403,751,529.46/29,000.40
  6. Step 6: Final answer
    x = 13,922.28

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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.