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Finding the Fourth Proportional to 32,141.74, 48,142.42 and 13,364.84

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Solution

The fourth proportional to 32,141.74, 48,142.42 and 13,364.84 is: 20,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,141.74 : 48,142.42 = 13,364.84 : x
  2. Step 2: Convert to fraction form
    32,141.74/48,142.42 = 13,364.84/x
  3. Step 3: Cross multiply
    32,141.74x = 48,142.42 × 13,364.84
  4. Step 4: Simplify right side
    32,141.74x = 643,415,740.51
  5. Step 5: Solve for x
    x = 643,415,740.51/32,141.74
  6. Step 6: Final answer
    x = 20,018.07

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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.