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Finding the Fourth Proportional to 14,473.92, 21,700.48 and 7,903.04

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Solution

The fourth proportional to 14,473.92, 21,700.48 and 7,903.04 is: 11,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,473.92 : 21,700.48 = 7,903.04 : x
  2. Step 2: Convert to fraction form
    14,473.92/21,700.48 = 7,903.04/x
  3. Step 3: Cross multiply
    14,473.92x = 21,700.48 × 7,903.04
  4. Step 4: Simplify right side
    14,473.92x = 171,499,761.46
  5. Step 5: Solve for x
    x = 171,499,761.46/14,473.92
  6. Step 6: Final answer
    x = 11,848.88

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1.5x scale

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.