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Finding the Fourth Proportional to 35,384.77, 48,831.15 and 19,469.49

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Solution

The fourth proportional to 35,384.77, 48,831.15 and 19,469.49 is: 26,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,384.77 : 48,831.15 = 19,469.49 : x
  2. Step 2: Convert to fraction form
    35,384.77/48,831.15 = 19,469.49/x
  3. Step 3: Cross multiply
    35,384.77x = 48,831.15 × 19,469.49
  4. Step 4: Simplify right side
    35,384.77x = 950,717,586.61
  5. Step 5: Solve for x
    x = 950,717,586.61/35,384.77
  6. Step 6: Final answer
    x = 26,867.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.