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Finding the Fourth Proportional to 29,061.90, 43,587.08 and 7,996.50

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Solution

The fourth proportional to 29,061.90, 43,587.08 and 7,996.50 is: 11,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,061.90 : 43,587.08 = 7,996.50 : x
  2. Step 2: Convert to fraction form
    29,061.90/43,587.08 = 7,996.50/x
  3. Step 3: Cross multiply
    29,061.90x = 43,587.08 × 7,996.50
  4. Step 4: Simplify right side
    29,061.90x = 348,544,085.22
  5. Step 5: Solve for x
    x = 348,544,085.22/29,061.90
  6. Step 6: Final answer
    x = 11,993.16

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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.