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Finding the Fourth Proportional to 34,995.71, 52,489.69 and 12,501.57

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Solution

The fourth proportional to 34,995.71, 52,489.69 and 12,501.57 is: 18,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,995.71 : 52,489.69 = 12,501.57 : x
  2. Step 2: Convert to fraction form
    34,995.71/52,489.69 = 12,501.57/x
  3. Step 3: Cross multiply
    34,995.71x = 52,489.69 × 12,501.57
  4. Step 4: Simplify right side
    34,995.71x = 656,203,699.40
  5. Step 5: Solve for x
    x = 656,203,699.40/34,995.71
  6. Step 6: Final answer
    x = 18,750.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.