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Finding the Fourth Proportional to 42,676.68, 58,891.32 and 23,812.68

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Solution

The fourth proportional to 42,676.68, 58,891.32 and 23,812.68 is: 32,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,676.68 : 58,891.32 = 23,812.68 : x
  2. Step 2: Convert to fraction form
    42,676.68/58,891.32 = 23,812.68/x
  3. Step 3: Cross multiply
    42,676.68x = 58,891.32 × 23,812.68
  4. Step 4: Simplify right side
    42,676.68x = 1,402,360,157.94
  5. Step 5: Solve for x
    x = 1,402,360,157.94/42,676.68
  6. Step 6: Final answer
    x = 32,860.10

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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.