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Finding the Fourth Proportional to 16,901.65, 25,357.88 and 7,041.97

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Solution

The fourth proportional to 16,901.65, 25,357.88 and 7,041.97 is: 10,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901.65 : 25,357.88 = 7,041.97 : x
  2. Step 2: Convert to fraction form
    16,901.65/25,357.88 = 7,041.97/x
  3. Step 3: Cross multiply
    16,901.65x = 25,357.88 × 7,041.97
  4. Step 4: Simplify right side
    16,901.65x = 178,569,430.22
  5. Step 5: Solve for x
    x = 178,569,430.22/16,901.65
  6. Step 6: Final answer
    x = 10,565.21

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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.