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Finding the Fourth Proportional to 7,068.56, 9,750.20 and 4,554

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Solution

The fourth proportional to 7,068.56, 9,750.20 and 4,554 is: 6,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.56 : 9,750.20 = 4,554 : x
  2. Step 2: Convert to fraction form
    7,068.56/9,750.20 = 4,554/x
  3. Step 3: Cross multiply
    7,068.56x = 9,750.20 × 4,554
  4. Step 4: Simplify right side
    7,068.56x = 44,402,410.80
  5. Step 5: Solve for x
    x = 44,402,410.80/7,068.56
  6. Step 6: Final answer
    x = 6,281.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.