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Finding the Fourth Proportional to 5,848.25, 8,730.68 and 5,643.18

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Solution

The fourth proportional to 5,848.25, 8,730.68 and 5,643.18 is: 8,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,848.25 : 8,730.68 = 5,643.18 : x
  2. Step 2: Convert to fraction form
    5,848.25/8,730.68 = 5,643.18/x
  3. Step 3: Cross multiply
    5,848.25x = 8,730.68 × 5,643.18
  4. Step 4: Simplify right side
    5,848.25x = 49,268,770.55
  5. Step 5: Solve for x
    x = 49,268,770.55/5,848.25
  6. Step 6: Final answer
    x = 8,424.54

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Find fourth proportional to 5,849.25, 8,732.17 and 5,644.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.