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Finding the Fourth Proportional to 25,363.76, 38,045.68 and 6,895.76

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Solution

The fourth proportional to 25,363.76, 38,045.68 and 6,895.76 is: 10,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,363.76 : 38,045.68 = 6,895.76 : x
  2. Step 2: Convert to fraction form
    25,363.76/38,045.68 = 6,895.76/x
  3. Step 3: Cross multiply
    25,363.76x = 38,045.68 × 6,895.76
  4. Step 4: Simplify right side
    25,363.76x = 262,353,878.32
  5. Step 5: Solve for x
    x = 262,353,878.32/25,363.76
  6. Step 6: Final answer
    x = 10,343.65

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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.