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Finding the Fourth Proportional to 5,809.08, 8,700.18 and 4,655.80

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Solution

The fourth proportional to 5,809.08, 8,700.18 and 4,655.80 is: 6,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.08 : 8,700.18 = 4,655.80 : x
  2. Step 2: Convert to fraction form
    5,809.08/8,700.18 = 4,655.80/x
  3. Step 3: Cross multiply
    5,809.08x = 8,700.18 × 4,655.80
  4. Step 4: Simplify right side
    5,809.08x = 40,506,298.04
  5. Step 5: Solve for x
    x = 40,506,298.04/5,809.08
  6. Step 6: Final answer
    x = 6,972.93

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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.