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Finding the Fourth Proportional to 63,012.33, 86,956.95 and 34,718.01

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Solution

The fourth proportional to 63,012.33, 86,956.95 and 34,718.01 is: 47,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,012.33 : 86,956.95 = 34,718.01 : x
  2. Step 2: Convert to fraction form
    63,012.33/86,956.95 = 34,718.01/x
  3. Step 3: Cross multiply
    63,012.33x = 86,956.95 × 34,718.01
  4. Step 4: Simplify right side
    63,012.33x = 3,018,972,259.67
  5. Step 5: Solve for x
    x = 3,018,972,259.67/63,012.33
  6. Step 6: Final answer
    x = 47,910.82

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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.