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Finding the Fourth Proportional to 6,358.13, 8,773.68 and 3,705.79

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Solution

The fourth proportional to 6,358.13, 8,773.68 and 3,705.79 is: 5,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.13 : 8,773.68 = 3,705.79 : x
  2. Step 2: Convert to fraction form
    6,358.13/8,773.68 = 3,705.79/x
  3. Step 3: Cross multiply
    6,358.13x = 8,773.68 × 3,705.79
  4. Step 4: Simplify right side
    6,358.13x = 32,513,415.61
  5. Step 5: Solve for x
    x = 32,513,415.61/6,358.13
  6. Step 6: Final answer
    x = 5,113.68

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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.