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Finding the Fourth Proportional to 37,887.80, 56,831.70 and 16,822.90

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Solution

The fourth proportional to 37,887.80, 56,831.70 and 16,822.90 is: 25,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,887.80 : 56,831.70 = 16,822.90 : x
  2. Step 2: Convert to fraction form
    37,887.80/56,831.70 = 16,822.90/x
  3. Step 3: Cross multiply
    37,887.80x = 56,831.70 × 16,822.90
  4. Step 4: Simplify right side
    37,887.80x = 956,074,005.93
  5. Step 5: Solve for x
    x = 956,074,005.93/37,887.80
  6. Step 6: Final answer
    x = 25,234.35

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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.