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Finding the Fourth Proportional to 6,070.40, 8,404.80 and 5,955.20

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Solution

The fourth proportional to 6,070.40, 8,404.80 and 5,955.20 is: 8,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,070.40 : 8,404.80 = 5,955.20 : x
  2. Step 2: Convert to fraction form
    6,070.40/8,404.80 = 5,955.20/x
  3. Step 3: Cross multiply
    6,070.40x = 8,404.80 × 5,955.20
  4. Step 4: Simplify right side
    6,070.40x = 50,052,264.96
  5. Step 5: Solve for x
    x = 50,052,264.96/6,070.40
  6. Step 6: Final answer
    x = 8,245.30

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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.