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Finding the Fourth Proportional to 32,560.40, 48,777.52 and 18,477.84

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Solution

The fourth proportional to 32,560.40, 48,777.52 and 18,477.84 is: 27,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,560.40 : 48,777.52 = 18,477.84 : x
  2. Step 2: Convert to fraction form
    32,560.40/48,777.52 = 18,477.84/x
  3. Step 3: Cross multiply
    32,560.40x = 48,777.52 × 18,477.84
  4. Step 4: Simplify right side
    32,560.40x = 901,303,210.16
  5. Step 5: Solve for x
    x = 901,303,210.16/32,560.40
  6. Step 6: Final answer
    x = 27,680.96

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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.