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Finding the Fourth Proportional to 62,950.77, 86,872.39 and 34,656.45

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Solution

The fourth proportional to 62,950.77, 86,872.39 and 34,656.45 is: 47,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,950.77 : 86,872.39 = 34,656.45 : x
  2. Step 2: Convert to fraction form
    62,950.77/86,872.39 = 34,656.45/x
  3. Step 3: Cross multiply
    62,950.77x = 86,872.39 × 34,656.45
  4. Step 4: Simplify right side
    62,950.77x = 3,010,688,640.42
  5. Step 5: Solve for x
    x = 3,010,688,640.42/62,950.77
  6. Step 6: Final answer
    x = 47,826.08

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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.