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Finding the Fourth Proportional to 37,762.56, 56,643.84 and 17,981.15

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Solution

The fourth proportional to 37,762.56, 56,643.84 and 17,981.15 is: 26,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,762.56 : 56,643.84 = 17,981.15 : x
  2. Step 2: Convert to fraction form
    37,762.56/56,643.84 = 17,981.15/x
  3. Step 3: Cross multiply
    37,762.56x = 56,643.84 × 17,981.15
  4. Step 4: Simplify right side
    37,762.56x = 1,018,521,383.62
  5. Step 5: Solve for x
    x = 1,018,521,383.62/37,762.56
  6. Step 6: Final answer
    x = 26,971.73

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Similar ratio
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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.