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Finding the Fourth Proportional to 17,421.22, 24,045.06 and 10,712.60

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Solution

The fourth proportional to 17,421.22, 24,045.06 and 10,712.60 is: 14,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.22 : 24,045.06 = 10,712.60 : x
  2. Step 2: Convert to fraction form
    17,421.22/24,045.06 = 10,712.60/x
  3. Step 3: Cross multiply
    17,421.22x = 24,045.06 × 10,712.60
  4. Step 4: Simplify right side
    17,421.22x = 257,585,109.76
  5. Step 5: Solve for x
    x = 257,585,109.76/17,421.22
  6. Step 6: Final answer
    x = 14,785.71

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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.