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Finding the Fourth Proportional to 34,001.69, 50,973.37 and 11,801.21

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Solution

The fourth proportional to 34,001.69, 50,973.37 and 11,801.21 is: 17,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,001.69 : 50,973.37 = 11,801.21 : x
  2. Step 2: Convert to fraction form
    34,001.69/50,973.37 = 11,801.21/x
  3. Step 3: Cross multiply
    34,001.69x = 50,973.37 × 11,801.21
  4. Step 4: Simplify right side
    34,001.69x = 601,547,159.41
  5. Step 5: Solve for x
    x = 601,547,159.41/34,001.69
  6. Step 6: Final answer
    x = 17,691.69

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1.5x scale

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.