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Finding the Fourth Proportional to 13,368.65, 20,052.55 and 6,353.71

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Solution

The fourth proportional to 13,368.65, 20,052.55 and 6,353.71 is: 9,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.65 : 20,052.55 = 6,353.71 : x
  2. Step 2: Convert to fraction form
    13,368.65/20,052.55 = 6,353.71/x
  3. Step 3: Cross multiply
    13,368.65x = 20,052.55 × 6,353.71
  4. Step 4: Simplify right side
    13,368.65x = 127,408,087.46
  5. Step 5: Solve for x
    x = 127,408,087.46/13,368.65
  6. Step 6: Final answer
    x = 9,530.36

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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.