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Finding the Fourth Proportional to 43,387, 59,874.12 and 23,515

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Solution

The fourth proportional to 43,387, 59,874.12 and 23,515 is: 32,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,387 : 59,874.12 = 23,515 : x
  2. Step 2: Convert to fraction form
    43,387/59,874.12 = 23,515/x
  3. Step 3: Cross multiply
    43,387x = 59,874.12 × 23,515
  4. Step 4: Simplify right side
    43,387x = 1,407,939,931.80
  5. Step 5: Solve for x
    x = 1,407,939,931.80/43,387
  6. Step 6: Final answer
    x = 32,450.73

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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.