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Finding the Fourth Proportional to 6,358.79, 9,543.65 and 5,533.20

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Solution

The fourth proportional to 6,358.79, 9,543.65 and 5,533.20 is: 8,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.79 : 9,543.65 = 5,533.20 : x
  2. Step 2: Convert to fraction form
    6,358.79/9,543.65 = 5,533.20/x
  3. Step 3: Cross multiply
    6,358.79x = 9,543.65 × 5,533.20
  4. Step 4: Simplify right side
    6,358.79x = 52,806,848.80
  5. Step 5: Solve for x
    x = 52,806,848.80/6,358.79
  6. Step 6: Final answer
    x = 8,304.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.