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Finding the Fourth Proportional to 51,363.68, 77,085.68 and 26,402.72

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Solution

The fourth proportional to 51,363.68, 77,085.68 and 26,402.72 is: 39,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,363.68 : 77,085.68 = 26,402.72 : x
  2. Step 2: Convert to fraction form
    51,363.68/77,085.68 = 26,402.72/x
  3. Step 3: Cross multiply
    51,363.68x = 77,085.68 × 26,402.72
  4. Step 4: Simplify right side
    51,363.68x = 2,035,271,625.05
  5. Step 5: Solve for x
    x = 2,035,271,625.05/51,363.68
  6. Step 6: Final answer
    x = 39,624.72

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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.