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Finding the Fourth Proportional to 63,259.68, 94,878.72 and 21,133.92

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Solution

The fourth proportional to 63,259.68, 94,878.72 and 21,133.92 is: 31,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,259.68 : 94,878.72 = 21,133.92 : x
  2. Step 2: Convert to fraction form
    63,259.68/94,878.72 = 21,133.92/x
  3. Step 3: Cross multiply
    63,259.68x = 94,878.72 × 21,133.92
  4. Step 4: Simplify right side
    63,259.68x = 2,005,159,278.18
  5. Step 5: Solve for x
    x = 2,005,159,278.18/63,259.68
  6. Step 6: Final answer
    x = 31,697.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.