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Finding the Fourth Proportional to 62,280, 93,419.52 and 17,907.12

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Solution

The fourth proportional to 62,280, 93,419.52 and 17,907.12 is: 26,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,280 : 93,419.52 = 17,907.12 : x
  2. Step 2: Convert to fraction form
    62,280/93,419.52 = 17,907.12/x
  3. Step 3: Cross multiply
    62,280x = 93,419.52 × 17,907.12
  4. Step 4: Simplify right side
    62,280x = 1,672,874,554.98
  5. Step 5: Solve for x
    x = 1,672,874,554.98/62,280
  6. Step 6: Final answer
    x = 26,860.54

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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.