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Finding the Fourth Proportional to 5,853.61, 8,778.59 and 1,957.10

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Solution

The fourth proportional to 5,853.61, 8,778.59 and 1,957.10 is: 2,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.61 : 8,778.59 = 1,957.10 : x
  2. Step 2: Convert to fraction form
    5,853.61/8,778.59 = 1,957.10/x
  3. Step 3: Cross multiply
    5,853.61x = 8,778.59 × 1,957.10
  4. Step 4: Simplify right side
    5,853.61x = 17,180,590.65
  5. Step 5: Solve for x
    x = 17,180,590.65/5,853.61
  6. Step 6: Final answer
    x = 2,935.04

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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.