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Finding the Fourth Proportional to 5,818.92, 8,718.93 and 5,603.19

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Solution

The fourth proportional to 5,818.92, 8,718.93 and 5,603.19 is: 8,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.92 : 8,718.93 = 5,603.19 : x
  2. Step 2: Convert to fraction form
    5,818.92/8,718.93 = 5,603.19/x
  3. Step 3: Cross multiply
    5,818.92x = 8,718.93 × 5,603.19
  4. Step 4: Simplify right side
    5,818.92x = 48,853,821.39
  5. Step 5: Solve for x
    x = 48,853,821.39/5,818.92
  6. Step 6: Final answer
    x = 8,395.69

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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.