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Finding the Fourth Proportional to 9,901.81, 14,726.45 and 9,652.43

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Solution

The fourth proportional to 9,901.81, 14,726.45 and 9,652.43 is: 14,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.81 : 14,726.45 = 9,652.43 : x
  2. Step 2: Convert to fraction form
    9,901.81/14,726.45 = 9,652.43/x
  3. Step 3: Cross multiply
    9,901.81x = 14,726.45 × 9,652.43
  4. Step 4: Simplify right side
    9,901.81x = 142,146,027.77
  5. Step 5: Solve for x
    x = 142,146,027.77/9,901.81
  6. Step 6: Final answer
    x = 14,355.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.