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Finding the Fourth Proportional to 25,155.48, 37,723.80 and 7,382.48

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Solution

The fourth proportional to 25,155.48, 37,723.80 and 7,382.48 is: 11,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.48 : 37,723.80 = 7,382.48 : x
  2. Step 2: Convert to fraction form
    25,155.48/37,723.80 = 7,382.48/x
  3. Step 3: Cross multiply
    25,155.48x = 37,723.80 × 7,382.48
  4. Step 4: Simplify right side
    25,155.48x = 278,495,199.02
  5. Step 5: Solve for x
    x = 278,495,199.02/25,155.48
  6. Step 6: Final answer
    x = 11,070.96

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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.