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Finding the Fourth Proportional to 50,661.76, 75,990.80 and 15,600.48

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Solution

The fourth proportional to 50,661.76, 75,990.80 and 15,600.48 is: 23,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,661.76 : 75,990.80 = 15,600.48 : x
  2. Step 2: Convert to fraction form
    50,661.76/75,990.80 = 15,600.48/x
  3. Step 3: Cross multiply
    50,661.76x = 75,990.80 × 15,600.48
  4. Step 4: Simplify right side
    50,661.76x = 1,185,492,955.58
  5. Step 5: Solve for x
    x = 1,185,492,955.58/50,661.76
  6. Step 6: Final answer
    x = 23,400.15

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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.