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Finding the Fourth Proportional to 63,678.62, 87,877.31 and 35,001.42

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Solution

The fourth proportional to 63,678.62, 87,877.31 and 35,001.42 is: 48,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,678.62 : 87,877.31 = 35,001.42 : x
  2. Step 2: Convert to fraction form
    63,678.62/87,877.31 = 35,001.42/x
  3. Step 3: Cross multiply
    63,678.62x = 87,877.31 × 35,001.42
  4. Step 4: Simplify right side
    63,678.62x = 3,075,830,131.23
  5. Step 5: Solve for x
    x = 3,075,830,131.23/63,678.62
  6. Step 6: Final answer
    x = 48,302.40

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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.