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Finding the Fourth Proportional to 11,160, 16,746.48 and 5,004

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Solution

The fourth proportional to 11,160, 16,746.48 and 5,004 is: 7,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160 : 16,746.48 = 5,004 : x
  2. Step 2: Convert to fraction form
    11,160/16,746.48 = 5,004/x
  3. Step 3: Cross multiply
    11,160x = 16,746.48 × 5,004
  4. Step 4: Simplify right side
    11,160x = 83,799,385.92
  5. Step 5: Solve for x
    x = 83,799,385.92/11,160
  6. Step 6: Final answer
    x = 7,508.91

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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.