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Finding the Fourth Proportional to 61,359.28, 84,717.84 and 46,993.84

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Solution

The fourth proportional to 61,359.28, 84,717.84 and 46,993.84 is: 64,883.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.28 : 84,717.84 = 46,993.84 : x
  2. Step 2: Convert to fraction form
    61,359.28/84,717.84 = 46,993.84/x
  3. Step 3: Cross multiply
    61,359.28x = 84,717.84 × 46,993.84
  4. Step 4: Simplify right side
    61,359.28x = 3,981,216,618.11
  5. Step 5: Solve for x
    x = 3,981,216,618.11/61,359.28
  6. Step 6: Final answer
    x = 64,883.69

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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.