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Finding the Fourth Proportional to 44,698.80, 67,062.76 and 21,322.20

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Solution

The fourth proportional to 44,698.80, 67,062.76 and 21,322.20 is: 31,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,698.80 : 67,062.76 = 21,322.20 : x
  2. Step 2: Convert to fraction form
    44,698.80/67,062.76 = 21,322.20/x
  3. Step 3: Cross multiply
    44,698.80x = 67,062.76 × 21,322.20
  4. Step 4: Simplify right side
    44,698.80x = 1,429,925,581.27
  5. Step 5: Solve for x
    x = 1,429,925,581.27/44,698.80
  6. Step 6: Final answer
    x = 31,990.25

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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.