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Finding the Fourth Proportional to 50,673.52, 69,929.90 and 28,012.15

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Solution

The fourth proportional to 50,673.52, 69,929.90 and 28,012.15 is: 38,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,673.52 : 69,929.90 = 28,012.15 : x
  2. Step 2: Convert to fraction form
    50,673.52/69,929.90 = 28,012.15/x
  3. Step 3: Cross multiply
    50,673.52x = 69,929.90 × 28,012.15
  4. Step 4: Simplify right side
    50,673.52x = 1,958,886,848.29
  5. Step 5: Solve for x
    x = 1,958,886,848.29/50,673.52
  6. Step 6: Final answer
    x = 38,657.01

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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.