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Finding the Fourth Proportional to 29,000.79, 40,020.53 and 16,903.53

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Solution

The fourth proportional to 29,000.79, 40,020.53 and 16,903.53 is: 23,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,000.79 : 40,020.53 = 16,903.53 : x
  2. Step 2: Convert to fraction form
    29,000.79/40,020.53 = 16,903.53/x
  3. Step 3: Cross multiply
    29,000.79x = 40,020.53 × 16,903.53
  4. Step 4: Simplify right side
    29,000.79x = 676,488,144.95
  5. Step 5: Solve for x
    x = 676,488,144.95/29,000.79
  6. Step 6: Final answer
    x = 23,326.54

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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.