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Finding the Fourth Proportional to 29,248.50, 43,872.75 and 7,360.50

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Solution

The fourth proportional to 29,248.50, 43,872.75 and 7,360.50 is: 11,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,248.50 : 43,872.75 = 7,360.50 : x
  2. Step 2: Convert to fraction form
    29,248.50/43,872.75 = 7,360.50/x
  3. Step 3: Cross multiply
    29,248.50x = 43,872.75 × 7,360.50
  4. Step 4: Simplify right side
    29,248.50x = 322,925,376.38
  5. Step 5: Solve for x
    x = 322,925,376.38/29,248.50
  6. Step 6: Final answer
    x = 11,040.75

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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.