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Finding the Fourth Proportional to 29,802.79, 41,128.11 and 16,374.34

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Solution

The fourth proportional to 29,802.79, 41,128.11 and 16,374.34 is: 22,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,802.79 : 41,128.11 = 16,374.34 : x
  2. Step 2: Convert to fraction form
    29,802.79/41,128.11 = 16,374.34/x
  3. Step 3: Cross multiply
    29,802.79x = 41,128.11 × 16,374.34
  4. Step 4: Simplify right side
    29,802.79x = 673,445,656.70
  5. Step 5: Solve for x
    x = 673,445,656.70/29,802.79
  6. Step 6: Final answer
    x = 22,596.73

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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.