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Finding the Fourth Proportional to 34,889.65, 52,335.08 and 9,930.34

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Solution

The fourth proportional to 34,889.65, 52,335.08 and 9,930.34 is: 14,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.65 : 52,335.08 = 9,930.34 : x
  2. Step 2: Convert to fraction form
    34,889.65/52,335.08 = 9,930.34/x
  3. Step 3: Cross multiply
    34,889.65x = 52,335.08 × 9,930.34
  4. Step 4: Simplify right side
    34,889.65x = 519,705,138.33
  5. Step 5: Solve for x
    x = 519,705,138.33/34,889.65
  6. Step 6: Final answer
    x = 14,895.68

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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.