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Finding the Fourth Proportional to 15,889.65, 23,818.96 and 7,567.42

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Solution

The fourth proportional to 15,889.65, 23,818.96 and 7,567.42 is: 11,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.65 : 23,818.96 = 7,567.42 : x
  2. Step 2: Convert to fraction form
    15,889.65/23,818.96 = 7,567.42/x
  3. Step 3: Cross multiply
    15,889.65x = 23,818.96 × 7,567.42
  4. Step 4: Simplify right side
    15,889.65x = 180,248,074.28
  5. Step 5: Solve for x
    x = 180,248,074.28/15,889.65
  6. Step 6: Final answer
    x = 11,343.74

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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.