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Finding the Fourth Proportional to 5,360.16, 7,380.18 and 4,868.08

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Solution

The fourth proportional to 5,360.16, 7,380.18 and 4,868.08 is: 6,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.16 : 7,380.18 = 4,868.08 : x
  2. Step 2: Convert to fraction form
    5,360.16/7,380.18 = 4,868.08/x
  3. Step 3: Cross multiply
    5,360.16x = 7,380.18 × 4,868.08
  4. Step 4: Simplify right side
    5,360.16x = 35,927,306.65
  5. Step 5: Solve for x
    x = 35,927,306.65/5,360.16
  6. Step 6: Final answer
    x = 6,702.66

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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.