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Finding the Fourth Proportional to 5,392.98, 8,089.48 and 1,695.53

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Solution

The fourth proportional to 5,392.98, 8,089.48 and 1,695.53 is: 2,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.98 : 8,089.48 = 1,695.53 : x
  2. Step 2: Convert to fraction form
    5,392.98/8,089.48 = 1,695.53/x
  3. Step 3: Cross multiply
    5,392.98x = 8,089.48 × 1,695.53
  4. Step 4: Simplify right side
    5,392.98x = 13,715,968.83
  5. Step 5: Solve for x
    x = 13,715,968.83/5,392.98
  6. Step 6: Final answer
    x = 2,543.30

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Double scale
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Similar ratio
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1.5x scale

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.