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Finding the Fourth Proportional to 32,570.92, 48,820.54 and 21,312.73

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Solution

The fourth proportional to 32,570.92, 48,820.54 and 21,312.73 is: 31,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,570.92 : 48,820.54 = 21,312.73 : x
  2. Step 2: Convert to fraction form
    32,570.92/48,820.54 = 21,312.73/x
  3. Step 3: Cross multiply
    32,570.92x = 48,820.54 × 21,312.73
  4. Step 4: Simplify right side
    32,570.92x = 1,040,498,987.47
  5. Step 5: Solve for x
    x = 1,040,498,987.47/32,570.92
  6. Step 6: Final answer
    x = 31,945.64

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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.