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Finding the Fourth Proportional to 42,575.51, 63,870.99 and 17,601.99

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Solution

The fourth proportional to 42,575.51, 63,870.99 and 17,601.99 is: 26,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,575.51 : 63,870.99 = 17,601.99 : x
  2. Step 2: Convert to fraction form
    42,575.51/63,870.99 = 17,601.99/x
  3. Step 3: Cross multiply
    42,575.51x = 63,870.99 × 17,601.99
  4. Step 4: Simplify right side
    42,575.51x = 1,124,256,527.27
  5. Step 5: Solve for x
    x = 1,124,256,527.27/42,575.51
  6. Step 6: Final answer
    x = 26,406.18

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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.