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Finding the Fourth Proportional to 77,376.84, 116,073.63 and 33,008.28

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Solution

The fourth proportional to 77,376.84, 116,073.63 and 33,008.28 is: 49,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,376.84 : 116,073.63 = 33,008.28 : x
  2. Step 2: Convert to fraction form
    77,376.84/116,073.63 = 33,008.28/x
  3. Step 3: Cross multiply
    77,376.84x = 116,073.63 × 33,008.28
  4. Step 4: Simplify right side
    77,376.84x = 3,831,390,879.66
  5. Step 5: Solve for x
    x = 3,831,390,879.66/77,376.84
  6. Step 6: Final answer
    x = 49,515.99

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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.