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Finding the Fourth Proportional to 25,210.69, 37,820.54 and 8,569.85

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Solution

The fourth proportional to 25,210.69, 37,820.54 and 8,569.85 is: 12,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210.69 : 37,820.54 = 8,569.85 : x
  2. Step 2: Convert to fraction form
    25,210.69/37,820.54 = 8,569.85/x
  3. Step 3: Cross multiply
    25,210.69x = 37,820.54 × 8,569.85
  4. Step 4: Simplify right side
    25,210.69x = 324,116,122.77
  5. Step 5: Solve for x
    x = 324,116,122.77/25,210.69
  6. Step 6: Final answer
    x = 12,856.30

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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.