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Finding the Fourth Proportional to 19,225.60, 28,854.60 and 9,373.30

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Solution

The fourth proportional to 19,225.60, 28,854.60 and 9,373.30 is: 14,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.60 : 28,854.60 = 9,373.30 : x
  2. Step 2: Convert to fraction form
    19,225.60/28,854.60 = 9,373.30/x
  3. Step 3: Cross multiply
    19,225.60x = 28,854.60 × 9,373.30
  4. Step 4: Simplify right side
    19,225.60x = 270,462,822.18
  5. Step 5: Solve for x
    x = 270,462,822.18/19,225.60
  6. Step 6: Final answer
    x = 14,067.85

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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.