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Finding the Fourth Proportional to 15,059.65, 20,785.77 and 10,024.09

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Solution

The fourth proportional to 15,059.65, 20,785.77 and 10,024.09 is: 13,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059.65 : 20,785.77 = 10,024.09 : x
  2. Step 2: Convert to fraction form
    15,059.65/20,785.77 = 10,024.09/x
  3. Step 3: Cross multiply
    15,059.65x = 20,785.77 × 10,024.09
  4. Step 4: Simplify right side
    15,059.65x = 208,358,429.20
  5. Step 5: Solve for x
    x = 208,358,429.20/15,059.65
  6. Step 6: Final answer
    x = 13,835.54

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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.