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Finding the Fourth Proportional to 63,009.48, 86,952.81 and 34,329.05

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Solution

The fourth proportional to 63,009.48, 86,952.81 and 34,329.05 is: 47,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,009.48 : 86,952.81 = 34,329.05 : x
  2. Step 2: Convert to fraction form
    63,009.48/86,952.81 = 34,329.05/x
  3. Step 3: Cross multiply
    63,009.48x = 86,952.81 × 34,329.05
  4. Step 4: Simplify right side
    63,009.48x = 2,985,006,927.37
  5. Step 5: Solve for x
    x = 2,985,006,927.37/63,009.48
  6. Step 6: Final answer
    x = 47,373.93

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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.