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Finding the Fourth Proportional to 17,124.27, 25,681.95 and 7,258.47

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Solution

The fourth proportional to 17,124.27, 25,681.95 and 7,258.47 is: 10,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,124.27 : 25,681.95 = 7,258.47 : x
  2. Step 2: Convert to fraction form
    17,124.27/25,681.95 = 7,258.47/x
  3. Step 3: Cross multiply
    17,124.27x = 25,681.95 × 7,258.47
  4. Step 4: Simplify right side
    17,124.27x = 186,411,663.62
  5. Step 5: Solve for x
    x = 186,411,663.62/17,124.27
  6. Step 6: Final answer
    x = 10,885.82

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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.