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Finding the Fourth Proportional to 14,151.52, 19,529.36 and 7,864.48

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Solution

The fourth proportional to 14,151.52, 19,529.36 and 7,864.48 is: 10,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.52 : 19,529.36 = 7,864.48 : x
  2. Step 2: Convert to fraction form
    14,151.52/19,529.36 = 7,864.48/x
  3. Step 3: Cross multiply
    14,151.52x = 19,529.36 × 7,864.48
  4. Step 4: Simplify right side
    14,151.52x = 153,588,261.13
  5. Step 5: Solve for x
    x = 153,588,261.13/14,151.52
  6. Step 6: Final answer
    x = 10,853.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.