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Finding the Fourth Proportional to 53,473.74, 80,210.49 and 21,898.51

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Solution

The fourth proportional to 53,473.74, 80,210.49 and 21,898.51 is: 32,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,473.74 : 80,210.49 = 21,898.51 : x
  2. Step 2: Convert to fraction form
    53,473.74/80,210.49 = 21,898.51/x
  3. Step 3: Cross multiply
    53,473.74x = 80,210.49 × 21,898.51
  4. Step 4: Simplify right side
    53,473.74x = 1,756,490,217.37
  5. Step 5: Solve for x
    x = 1,756,490,217.37/53,473.74
  6. Step 6: Final answer
    x = 32,847.72

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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.