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Finding the Fourth Proportional to 30,001.65, 44,987.31 and 10,004.01

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Solution

The fourth proportional to 30,001.65, 44,987.31 and 10,004.01 is: 15,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.65 : 44,987.31 = 10,004.01 : x
  2. Step 2: Convert to fraction form
    30,001.65/44,987.31 = 10,004.01/x
  3. Step 3: Cross multiply
    30,001.65x = 44,987.31 × 10,004.01
  4. Step 4: Simplify right side
    30,001.65x = 450,053,499.11
  5. Step 5: Solve for x
    x = 450,053,499.11/30,001.65
  6. Step 6: Final answer
    x = 15,000.96

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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.