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Finding the Fourth Proportional to 5,877.76, 8,817.47 and 1,718.08

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Solution

The fourth proportional to 5,877.76, 8,817.47 and 1,718.08 is: 2,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.76 : 8,817.47 = 1,718.08 : x
  2. Step 2: Convert to fraction form
    5,877.76/8,817.47 = 1,718.08/x
  3. Step 3: Cross multiply
    5,877.76x = 8,817.47 × 1,718.08
  4. Step 4: Simplify right side
    5,877.76x = 15,149,118.86
  5. Step 5: Solve for x
    x = 15,149,118.86/5,877.76
  6. Step 6: Final answer
    x = 2,577.36

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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.