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Finding the Fourth Proportional to 29,699.51, 40,981.50 and 23,665.05

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Solution

The fourth proportional to 29,699.51, 40,981.50 and 23,665.05 is: 32,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,699.51 : 40,981.50 = 23,665.05 : x
  2. Step 2: Convert to fraction form
    29,699.51/40,981.50 = 23,665.05/x
  3. Step 3: Cross multiply
    29,699.51x = 40,981.50 × 23,665.05
  4. Step 4: Simplify right side
    29,699.51x = 969,829,246.58
  5. Step 5: Solve for x
    x = 969,829,246.58/29,699.51
  6. Step 6: Final answer
    x = 32,654.73

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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.