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Finding the Fourth Proportional to 29,835.03, 41,172.35 and 16,407.20

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Solution

The fourth proportional to 29,835.03, 41,172.35 and 16,407.20 is: 22,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,835.03 : 41,172.35 = 16,407.20 : x
  2. Step 2: Convert to fraction form
    29,835.03/41,172.35 = 16,407.20/x
  3. Step 3: Cross multiply
    29,835.03x = 41,172.35 × 16,407.20
  4. Step 4: Simplify right side
    29,835.03x = 675,522,693.02
  5. Step 5: Solve for x
    x = 675,522,693.02/29,835.03
  6. Step 6: Final answer
    x = 22,641.93

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1.5x scale

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.