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Finding the Fourth Proportional to 29,802.47, 44,703.73 and 7,615.87

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Solution

The fourth proportional to 29,802.47, 44,703.73 and 7,615.87 is: 11,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,802.47 : 44,703.73 = 7,615.87 : x
  2. Step 2: Convert to fraction form
    29,802.47/44,703.73 = 7,615.87/x
  3. Step 3: Cross multiply
    29,802.47x = 44,703.73 × 7,615.87
  4. Step 4: Simplify right side
    29,802.47x = 340,457,882.72
  5. Step 5: Solve for x
    x = 340,457,882.72/29,802.47
  6. Step 6: Final answer
    x = 11,423.81

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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.