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Finding the Fourth Proportional to 50,697.41, 69,967.40 and 28,041.71

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Solution

The fourth proportional to 50,697.41, 69,967.40 and 28,041.71 is: 38,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,697.41 : 69,967.40 = 28,041.71 : x
  2. Step 2: Convert to fraction form
    50,697.41/69,967.40 = 28,041.71/x
  3. Step 3: Cross multiply
    50,697.41x = 69,967.40 × 28,041.71
  4. Step 4: Simplify right side
    50,697.41x = 1,962,005,050.21
  5. Step 5: Solve for x
    x = 1,962,005,050.21/50,697.41
  6. Step 6: Final answer
    x = 38,700.31

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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.