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Finding the Fourth Proportional to 6,261.40, 9,392.10 and 5,656.60

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Solution

The fourth proportional to 6,261.40, 9,392.10 and 5,656.60 is: 8,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.40 : 9,392.10 = 5,656.60 : x
  2. Step 2: Convert to fraction form
    6,261.40/9,392.10 = 5,656.60/x
  3. Step 3: Cross multiply
    6,261.40x = 9,392.10 × 5,656.60
  4. Step 4: Simplify right side
    6,261.40x = 53,127,352.86
  5. Step 5: Solve for x
    x = 53,127,352.86/6,261.40
  6. Step 6: Final answer
    x = 8,484.90

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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.