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Finding the Fourth Proportional to 25,867.03, 38,779.61 and 8,088.54

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Solution

The fourth proportional to 25,867.03, 38,779.61 and 8,088.54 is: 12,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,867.03 : 38,779.61 = 8,088.54 : x
  2. Step 2: Convert to fraction form
    25,867.03/38,779.61 = 8,088.54/x
  3. Step 3: Cross multiply
    25,867.03x = 38,779.61 × 8,088.54
  4. Step 4: Simplify right side
    25,867.03x = 313,670,426.67
  5. Step 5: Solve for x
    x = 313,670,426.67/25,867.03
  6. Step 6: Final answer
    x = 12,126.26

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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.