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Finding the Fourth Proportional to 29,657.76, 44,499.04 and 13,009.20

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Solution

The fourth proportional to 29,657.76, 44,499.04 and 13,009.20 is: 19,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,657.76 : 44,499.04 = 13,009.20 : x
  2. Step 2: Convert to fraction form
    29,657.76/44,499.04 = 13,009.20/x
  3. Step 3: Cross multiply
    29,657.76x = 44,499.04 × 13,009.20
  4. Step 4: Simplify right side
    29,657.76x = 578,896,911.17
  5. Step 5: Solve for x
    x = 578,896,911.17/29,657.76
  6. Step 6: Final answer
    x = 19,519.24

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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.