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Finding the Fourth Proportional to 51,378.76, 70,900.51 and 32,268.52

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Solution

The fourth proportional to 51,378.76, 70,900.51 and 32,268.52 is: 44,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,378.76 : 70,900.51 = 32,268.52 : x
  2. Step 2: Convert to fraction form
    51,378.76/70,900.51 = 32,268.52/x
  3. Step 3: Cross multiply
    51,378.76x = 70,900.51 × 32,268.52
  4. Step 4: Simplify right side
    51,378.76x = 2,287,854,089.77
  5. Step 5: Solve for x
    x = 2,287,854,089.77/51,378.76
  6. Step 6: Final answer
    x = 44,529.19

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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.