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Finding the Fourth Proportional to 7,041.52, 9,715.84 and 4,773.66

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Solution

The fourth proportional to 7,041.52, 9,715.84 and 4,773.66 is: 6,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.52 : 9,715.84 = 4,773.66 : x
  2. Step 2: Convert to fraction form
    7,041.52/9,715.84 = 4,773.66/x
  3. Step 3: Cross multiply
    7,041.52x = 9,715.84 × 4,773.66
  4. Step 4: Simplify right side
    7,041.52x = 46,380,116.77
  5. Step 5: Solve for x
    x = 46,380,116.77/7,041.52
  6. Step 6: Final answer
    x = 6,586.66

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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.