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Finding the Fourth Proportional to 10,292.06, 15,444 and 4,368.48

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Solution

The fourth proportional to 10,292.06, 15,444 and 4,368.48 is: 6,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.06 : 15,444 = 4,368.48 : x
  2. Step 2: Convert to fraction form
    10,292.06/15,444 = 4,368.48/x
  3. Step 3: Cross multiply
    10,292.06x = 15,444 × 4,368.48
  4. Step 4: Simplify right side
    10,292.06x = 67,466,805.12
  5. Step 5: Solve for x
    x = 67,466,805.12/10,292.06
  6. Step 6: Final answer
    x = 6,555.23

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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.