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Finding the Fourth Proportional to 22,988.31, 34,460.55 and 7,395

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Solution

The fourth proportional to 22,988.31, 34,460.55 and 7,395 is: 11,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,988.31 : 34,460.55 = 7,395 : x
  2. Step 2: Convert to fraction form
    22,988.31/34,460.55 = 7,395/x
  3. Step 3: Cross multiply
    22,988.31x = 34,460.55 × 7,395
  4. Step 4: Simplify right side
    22,988.31x = 254,835,767.25
  5. Step 5: Solve for x
    x = 254,835,767.25/22,988.31
  6. Step 6: Final answer
    x = 11,085.45

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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.