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Finding the Fourth Proportional to 19,353.60, 29,019.04 and 6,199.20

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Solution

The fourth proportional to 19,353.60, 29,019.04 and 6,199.20 is: 9,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.60 : 29,019.04 = 6,199.20 : x
  2. Step 2: Convert to fraction form
    19,353.60/29,019.04 = 6,199.20/x
  3. Step 3: Cross multiply
    19,353.60x = 29,019.04 × 6,199.20
  4. Step 4: Simplify right side
    19,353.60x = 179,894,832.77
  5. Step 5: Solve for x
    x = 179,894,832.77/19,353.60
  6. Step 6: Final answer
    x = 9,295.16

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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.