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Finding the Fourth Proportional to 6,443.60, 8,902.92 and 6,053.84

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Solution

The fourth proportional to 6,443.60, 8,902.92 and 6,053.84 is: 8,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.60 : 8,902.92 = 6,053.84 : x
  2. Step 2: Convert to fraction form
    6,443.60/8,902.92 = 6,053.84/x
  3. Step 3: Cross multiply
    6,443.60x = 8,902.92 × 6,053.84
  4. Step 4: Simplify right side
    6,443.60x = 53,896,853.21
  5. Step 5: Solve for x
    x = 53,896,853.21/6,443.60
  6. Step 6: Final answer
    x = 8,364.40

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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.