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Finding the Fourth Proportional to 28,246.96, 42,372.54 and 9,526.96

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Solution

The fourth proportional to 28,246.96, 42,372.54 and 9,526.96 is: 14,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.96 : 42,372.54 = 9,526.96 : x
  2. Step 2: Convert to fraction form
    28,246.96/42,372.54 = 9,526.96/x
  3. Step 3: Cross multiply
    28,246.96x = 42,372.54 × 9,526.96
  4. Step 4: Simplify right side
    28,246.96x = 403,681,493.68
  5. Step 5: Solve for x
    x = 403,681,493.68/28,246.96
  6. Step 6: Final answer
    x = 14,291.15

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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.