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Finding the Fourth Proportional to 56,752.48, 85,126.92 and 17,308

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Solution

The fourth proportional to 56,752.48, 85,126.92 and 17,308 is: 25,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,752.48 : 85,126.92 = 17,308 : x
  2. Step 2: Convert to fraction form
    56,752.48/85,126.92 = 17,308/x
  3. Step 3: Cross multiply
    56,752.48x = 85,126.92 × 17,308
  4. Step 4: Simplify right side
    56,752.48x = 1,473,376,731.36
  5. Step 5: Solve for x
    x = 1,473,376,731.36/56,752.48
  6. Step 6: Final answer
    x = 25,961.45

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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.