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Finding the Fourth Proportional to 7,758.53, 10,703.45 and 6,073.18

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Solution

The fourth proportional to 7,758.53, 10,703.45 and 6,073.18 is: 8,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.53 : 10,703.45 = 6,073.18 : x
  2. Step 2: Convert to fraction form
    7,758.53/10,703.45 = 6,073.18/x
  3. Step 3: Cross multiply
    7,758.53x = 10,703.45 × 6,073.18
  4. Step 4: Simplify right side
    7,758.53x = 65,003,909.77
  5. Step 5: Solve for x
    x = 65,003,909.77/7,758.53
  6. Step 6: Final answer
    x = 8,378.38

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1.5x scale

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.