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Finding the Fourth Proportional to 50,485.77, 75,728.65 and 13,549.77

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Solution

The fourth proportional to 50,485.77, 75,728.65 and 13,549.77 is: 20,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485.77 : 75,728.65 = 13,549.77 : x
  2. Step 2: Convert to fraction form
    50,485.77/75,728.65 = 13,549.77/x
  3. Step 3: Cross multiply
    50,485.77x = 75,728.65 × 13,549.77
  4. Step 4: Simplify right side
    50,485.77x = 1,026,105,722.16
  5. Step 5: Solve for x
    x = 1,026,105,722.16/50,485.77
  6. Step 6: Final answer
    x = 20,324.65

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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.