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Finding the Fourth Proportional to 61,433.84, 84,778.85 and 34,576.74

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Solution

The fourth proportional to 61,433.84, 84,778.85 and 34,576.74 is: 47,715.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,433.84 : 84,778.85 = 34,576.74 : x
  2. Step 2: Convert to fraction form
    61,433.84/84,778.85 = 34,576.74/x
  3. Step 3: Cross multiply
    61,433.84x = 84,778.85 × 34,576.74
  4. Step 4: Simplify right side
    61,433.84x = 2,931,376,340.39
  5. Step 5: Solve for x
    x = 2,931,376,340.39/61,433.84
  6. Step 6: Final answer
    x = 47,715.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.