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Finding the Fourth Proportional to 60,935.65, 91,417.14 and 21,493.09

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Solution

The fourth proportional to 60,935.65, 91,417.14 and 21,493.09 is: 32,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,935.65 : 91,417.14 = 21,493.09 : x
  2. Step 2: Convert to fraction form
    60,935.65/91,417.14 = 21,493.09/x
  3. Step 3: Cross multiply
    60,935.65x = 91,417.14 × 21,493.09
  4. Step 4: Simplify right side
    60,935.65x = 1,964,836,817.56
  5. Step 5: Solve for x
    x = 1,964,836,817.56/60,935.65
  6. Step 6: Final answer
    x = 32,244.45

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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.