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Finding the Fourth Proportional to 29,915.10, 44,879.62 and 9,923.13

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Solution

The fourth proportional to 29,915.10, 44,879.62 and 9,923.13 is: 14,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915.10 : 44,879.62 = 9,923.13 : x
  2. Step 2: Convert to fraction form
    29,915.10/44,879.62 = 9,923.13/x
  3. Step 3: Cross multiply
    29,915.10x = 44,879.62 × 9,923.13
  4. Step 4: Simplify right side
    29,915.10x = 445,346,303.61
  5. Step 5: Solve for x
    x = 445,346,303.61/29,915.10
  6. Step 6: Final answer
    x = 14,887.01

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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.