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Finding the Fourth Proportional to 5,776.17, 8,678.12 and 3,700.20

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Solution

The fourth proportional to 5,776.17, 8,678.12 and 3,700.20 is: 5,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.17 : 8,678.12 = 3,700.20 : x
  2. Step 2: Convert to fraction form
    5,776.17/8,678.12 = 3,700.20/x
  3. Step 3: Cross multiply
    5,776.17x = 8,678.12 × 3,700.20
  4. Step 4: Simplify right side
    5,776.17x = 32,110,779.62
  5. Step 5: Solve for x
    x = 32,110,779.62/5,776.17
  6. Step 6: Final answer
    x = 5,559.18

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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.