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Finding the Fourth Proportional to 29,808.88, 44,717.28 and 9,811.76

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Solution

The fourth proportional to 29,808.88, 44,717.28 and 9,811.76 is: 14,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808.88 : 44,717.28 = 9,811.76 : x
  2. Step 2: Convert to fraction form
    29,808.88/44,717.28 = 9,811.76/x
  3. Step 3: Cross multiply
    29,808.88x = 44,717.28 × 9,811.76
  4. Step 4: Simplify right side
    29,808.88x = 438,755,219.21
  5. Step 5: Solve for x
    x = 438,755,219.21/29,808.88
  6. Step 6: Final answer
    x = 14,718.94

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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.