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Finding the Fourth Proportional to 5,879.68, 8,851.60 and 5,363

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Solution

The fourth proportional to 5,879.68, 8,851.60 and 5,363 is: 8,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.68 : 8,851.60 = 5,363 : x
  2. Step 2: Convert to fraction form
    5,879.68/8,851.60 = 5,363/x
  3. Step 3: Cross multiply
    5,879.68x = 8,851.60 × 5,363
  4. Step 4: Simplify right side
    5,879.68x = 47,471,130.80
  5. Step 5: Solve for x
    x = 47,471,130.80/5,879.68
  6. Step 6: Final answer
    x = 8,073.76

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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.