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Finding the Fourth Proportional to 9,488.40, 14,232.60 and 7,301.40

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Solution

The fourth proportional to 9,488.40, 14,232.60 and 7,301.40 is: 10,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,488.40 : 14,232.60 = 7,301.40 : x
  2. Step 2: Convert to fraction form
    9,488.40/14,232.60 = 7,301.40/x
  3. Step 3: Cross multiply
    9,488.40x = 14,232.60 × 7,301.40
  4. Step 4: Simplify right side
    9,488.40x = 103,917,905.64
  5. Step 5: Solve for x
    x = 103,917,905.64/9,488.40
  6. Step 6: Final answer
    x = 10,952.10

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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.