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Finding the Fourth Proportional to 17,696.61, 26,547.95 and 5,853.20

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Solution

The fourth proportional to 17,696.61, 26,547.95 and 5,853.20 is: 8,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,696.61 : 26,547.95 = 5,853.20 : x
  2. Step 2: Convert to fraction form
    17,696.61/26,547.95 = 5,853.20/x
  3. Step 3: Cross multiply
    17,696.61x = 26,547.95 × 5,853.20
  4. Step 4: Simplify right side
    17,696.61x = 155,390,342.83
  5. Step 5: Solve for x
    x = 155,390,342.83/17,696.61
  6. Step 6: Final answer
    x = 8,780.80

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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.