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Finding the Fourth Proportional to 29,483.16, 40,677.42 and 16,905.72

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Solution

The fourth proportional to 29,483.16, 40,677.42 and 16,905.72 is: 23,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,483.16 : 40,677.42 = 16,905.72 : x
  2. Step 2: Convert to fraction form
    29,483.16/40,677.42 = 16,905.72/x
  3. Step 3: Cross multiply
    29,483.16x = 40,677.42 × 16,905.72
  4. Step 4: Simplify right side
    29,483.16x = 687,681,072.84
  5. Step 5: Solve for x
    x = 687,681,072.84/29,483.16
  6. Step 6: Final answer
    x = 23,324.54

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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.