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Finding the Fourth Proportional to 7,598.40, 11,378.40 and 6,062.40

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Solution

The fourth proportional to 7,598.40, 11,378.40 and 6,062.40 is: 9,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,598.40 : 11,378.40 = 6,062.40 : x
  2. Step 2: Convert to fraction form
    7,598.40/11,378.40 = 6,062.40/x
  3. Step 3: Cross multiply
    7,598.40x = 11,378.40 × 6,062.40
  4. Step 4: Simplify right side
    7,598.40x = 68,980,412.16
  5. Step 5: Solve for x
    x = 68,980,412.16/7,598.40
  6. Step 6: Final answer
    x = 9,078.28

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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.