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Finding the Fourth Proportional to 32,381.37, 48,559.77 and 12,657.47

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Solution

The fourth proportional to 32,381.37, 48,559.77 and 12,657.47 is: 18,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,381.37 : 48,559.77 = 12,657.47 : x
  2. Step 2: Convert to fraction form
    32,381.37/48,559.77 = 12,657.47/x
  3. Step 3: Cross multiply
    32,381.37x = 48,559.77 × 12,657.47
  4. Step 4: Simplify right side
    32,381.37x = 614,643,589.18
  5. Step 5: Solve for x
    x = 614,643,589.18/32,381.37
  6. Step 6: Final answer
    x = 18,981.40

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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.