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Finding the Fourth Proportional to 5,878.93, 8,858.85 and 4,861.80

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Solution

The fourth proportional to 5,878.93, 8,858.85 and 4,861.80 is: 7,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.93 : 8,858.85 = 4,861.80 : x
  2. Step 2: Convert to fraction form
    5,878.93/8,858.85 = 4,861.80/x
  3. Step 3: Cross multiply
    5,878.93x = 8,858.85 × 4,861.80
  4. Step 4: Simplify right side
    5,878.93x = 43,069,963.86
  5. Step 5: Solve for x
    x = 43,069,963.86/5,878.93
  6. Step 6: Final answer
    x = 7,326.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.