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Finding the Fourth Proportional to 6,645.24, 9,156.24 and 6,037.74

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Solution

The fourth proportional to 6,645.24, 9,156.24 and 6,037.74 is: 8,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.24 : 9,156.24 = 6,037.74 : x
  2. Step 2: Convert to fraction form
    6,645.24/9,156.24 = 6,037.74/x
  3. Step 3: Cross multiply
    6,645.24x = 9,156.24 × 6,037.74
  4. Step 4: Simplify right side
    6,645.24x = 55,282,996.50
  5. Step 5: Solve for x
    x = 55,282,996.50/6,645.24
  6. Step 6: Final answer
    x = 8,319.19

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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.