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Finding the Fourth Proportional to 84,006.70, 115,927.95 and 46,282.30

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Solution

The fourth proportional to 84,006.70, 115,927.95 and 46,282.30 is: 63,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,006.70 : 115,927.95 = 46,282.30 : x
  2. Step 2: Convert to fraction form
    84,006.70/115,927.95 = 46,282.30/x
  3. Step 3: Cross multiply
    84,006.70x = 115,927.95 × 46,282.30
  4. Step 4: Simplify right side
    84,006.70x = 5,365,412,160.29
  5. Step 5: Solve for x
    x = 5,365,412,160.29/84,006.70
  6. Step 6: Final answer
    x = 63,868.86

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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.