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Finding the Fourth Proportional to 32,087.84, 48,120.24 and 12,356.48

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Solution

The fourth proportional to 32,087.84, 48,120.24 and 12,356.48 is: 18,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,087.84 : 48,120.24 = 12,356.48 : x
  2. Step 2: Convert to fraction form
    32,087.84/48,120.24 = 12,356.48/x
  3. Step 3: Cross multiply
    32,087.84x = 48,120.24 × 12,356.48
  4. Step 4: Simplify right side
    32,087.84x = 594,596,783.16
  5. Step 5: Solve for x
    x = 594,596,783.16/32,087.84
  6. Step 6: Final answer
    x = 18,530.28

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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.