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Finding the Fourth Proportional to 34,663.65, 51,953.70 and 15,917.82

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Solution

The fourth proportional to 34,663.65, 51,953.70 and 15,917.82 is: 23,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,663.65 : 51,953.70 = 15,917.82 : x
  2. Step 2: Convert to fraction form
    34,663.65/51,953.70 = 15,917.82/x
  3. Step 3: Cross multiply
    34,663.65x = 51,953.70 × 15,917.82
  4. Step 4: Simplify right side
    34,663.65x = 826,989,509.80
  5. Step 5: Solve for x
    x = 826,989,509.80/34,663.65
  6. Step 6: Final answer
    x = 23,857.55

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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.