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Finding the Fourth Proportional to 15,061.65, 20,788.53 and 10,026.09

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Solution

The fourth proportional to 15,061.65, 20,788.53 and 10,026.09 is: 13,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061.65 : 20,788.53 = 10,026.09 : x
  2. Step 2: Convert to fraction form
    15,061.65/20,788.53 = 10,026.09/x
  3. Step 3: Cross multiply
    15,061.65x = 20,788.53 × 10,026.09
  4. Step 4: Simplify right side
    15,061.65x = 208,427,672.75
  5. Step 5: Solve for x
    x = 208,427,672.75/15,061.65
  6. Step 6: Final answer
    x = 13,838.30

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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.