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Finding the Fourth Proportional to 5,582.99, 7,699.32 and 4,170.15

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Solution

The fourth proportional to 5,582.99, 7,699.32 and 4,170.15 is: 5,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.99 : 7,699.32 = 4,170.15 : x
  2. Step 2: Convert to fraction form
    5,582.99/7,699.32 = 4,170.15/x
  3. Step 3: Cross multiply
    5,582.99x = 7,699.32 × 4,170.15
  4. Step 4: Simplify right side
    5,582.99x = 32,107,319.30
  5. Step 5: Solve for x
    x = 32,107,319.30/5,582.99
  6. Step 6: Final answer
    x = 5,750.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.