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Finding the Fourth Proportional to 16,904.61, 25,347.06 and 7,032.06

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Solution

The fourth proportional to 16,904.61, 25,347.06 and 7,032.06 is: 10,543.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.61 : 25,347.06 = 7,032.06 : x
  2. Step 2: Convert to fraction form
    16,904.61/25,347.06 = 7,032.06/x
  3. Step 3: Cross multiply
    16,904.61x = 25,347.06 × 7,032.06
  4. Step 4: Simplify right side
    16,904.61x = 178,242,046.74
  5. Step 5: Solve for x
    x = 178,242,046.74/16,904.61
  6. Step 6: Final answer
    x = 10,543.99

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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.