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Finding the Fourth Proportional to 29,887.84, 44,831.58 and 9,111.34

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Solution

The fourth proportional to 29,887.84, 44,831.58 and 9,111.34 is: 13,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,887.84 : 44,831.58 = 9,111.34 : x
  2. Step 2: Convert to fraction form
    29,887.84/44,831.58 = 9,111.34/x
  3. Step 3: Cross multiply
    29,887.84x = 44,831.58 × 9,111.34
  4. Step 4: Simplify right side
    29,887.84x = 408,475,768.12
  5. Step 5: Solve for x
    x = 408,475,768.12/29,887.84
  6. Step 6: Final answer
    x = 13,666.96

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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.