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Finding the Fourth Proportional to 20,053.65, 30,060.65 and 9,505.17

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Solution

The fourth proportional to 20,053.65, 30,060.65 and 9,505.17 is: 14,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.65 : 30,060.65 = 9,505.17 : x
  2. Step 2: Convert to fraction form
    20,053.65/30,060.65 = 9,505.17/x
  3. Step 3: Cross multiply
    20,053.65x = 30,060.65 × 9,505.17
  4. Step 4: Simplify right side
    20,053.65x = 285,731,541.03
  5. Step 5: Solve for x
    x = 285,731,541.03/20,053.65
  6. Step 6: Final answer
    x = 14,248.36

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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.