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Finding the Fourth Proportional to 25,963.95, 38,945.90 and 6,242.50

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Solution

The fourth proportional to 25,963.95, 38,945.90 and 6,242.50 is: 9,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.95 : 38,945.90 = 6,242.50 : x
  2. Step 2: Convert to fraction form
    25,963.95/38,945.90 = 6,242.50/x
  3. Step 3: Cross multiply
    25,963.95x = 38,945.90 × 6,242.50
  4. Step 4: Simplify right side
    25,963.95x = 243,119,780.75
  5. Step 5: Solve for x
    x = 243,119,780.75/25,963.95
  6. Step 6: Final answer
    x = 9,363.74

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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.