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Finding the Fourth Proportional to 50,888.91, 70,224.80 and 28,531.47

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Solution

The fourth proportional to 50,888.91, 70,224.80 and 28,531.47 is: 39,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,888.91 : 70,224.80 = 28,531.47 : x
  2. Step 2: Convert to fraction form
    50,888.91/70,224.80 = 28,531.47/x
  3. Step 3: Cross multiply
    50,888.91x = 70,224.80 × 28,531.47
  4. Step 4: Simplify right side
    50,888.91x = 2,003,616,631.80
  5. Step 5: Solve for x
    x = 2,003,616,631.80/50,888.91
  6. Step 6: Final answer
    x = 39,372.36

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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.