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Finding the Fourth Proportional to 35,245.80, 48,641.76 and 23,288.40

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Solution

The fourth proportional to 35,245.80, 48,641.76 and 23,288.40 is: 32,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,245.80 : 48,641.76 = 23,288.40 : x
  2. Step 2: Convert to fraction form
    35,245.80/48,641.76 = 23,288.40/x
  3. Step 3: Cross multiply
    35,245.80x = 48,641.76 × 23,288.40
  4. Step 4: Simplify right side
    35,245.80x = 1,132,788,763.58
  5. Step 5: Solve for x
    x = 1,132,788,763.58/35,245.80
  6. Step 6: Final answer
    x = 32,139.68

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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.