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Finding the Fourth Proportional to 6,359.59, 8,767.01 and 4,465.40

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Solution

The fourth proportional to 6,359.59, 8,767.01 and 4,465.40 is: 6,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.59 : 8,767.01 = 4,465.40 : x
  2. Step 2: Convert to fraction form
    6,359.59/8,767.01 = 4,465.40/x
  3. Step 3: Cross multiply
    6,359.59x = 8,767.01 × 4,465.40
  4. Step 4: Simplify right side
    6,359.59x = 39,148,239.54
  5. Step 5: Solve for x
    x = 39,148,239.54/6,359.59
  6. Step 6: Final answer
    x = 6,155.78

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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.