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Finding the Fourth Proportional to 27,355.92, 40,988.88 and 11,547.96

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Solution

The fourth proportional to 27,355.92, 40,988.88 and 11,547.96 is: 17,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.92 : 40,988.88 = 11,547.96 : x
  2. Step 2: Convert to fraction form
    27,355.92/40,988.88 = 11,547.96/x
  3. Step 3: Cross multiply
    27,355.92x = 40,988.88 × 11,547.96
  4. Step 4: Simplify right side
    27,355.92x = 473,337,946.68
  5. Step 5: Solve for x
    x = 473,337,946.68/27,355.92
  6. Step 6: Final answer
    x = 17,302.94

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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.