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Finding the Fourth Proportional to 7,341.40, 11,016.04 and 4,877.40

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Solution

The fourth proportional to 7,341.40, 11,016.04 and 4,877.40 is: 7,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.40 : 11,016.04 = 4,877.40 : x
  2. Step 2: Convert to fraction form
    7,341.40/11,016.04 = 4,877.40/x
  3. Step 3: Cross multiply
    7,341.40x = 11,016.04 × 4,877.40
  4. Step 4: Simplify right side
    7,341.40x = 53,729,633.50
  5. Step 5: Solve for x
    x = 53,729,633.50/7,341.40
  6. Step 6: Final answer
    x = 7,318.72

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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.