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Finding the Fourth Proportional to 51,244.48, 70,727.04 and 28,888.48

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Solution

The fourth proportional to 51,244.48, 70,727.04 and 28,888.48 is: 39,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,244.48 : 70,727.04 = 28,888.48 : x
  2. Step 2: Convert to fraction form
    51,244.48/70,727.04 = 28,888.48/x
  3. Step 3: Cross multiply
    51,244.48x = 70,727.04 × 28,888.48
  4. Step 4: Simplify right side
    51,244.48x = 2,043,196,680.50
  5. Step 5: Solve for x
    x = 2,043,196,680.50/51,244.48
  6. Step 6: Final answer
    x = 39,871.55

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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.