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Finding the Fourth Proportional to 44,391, 66,569.16 and 19,088.16

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Solution

The fourth proportional to 44,391, 66,569.16 and 19,088.16 is: 28,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,391 : 66,569.16 = 19,088.16 : x
  2. Step 2: Convert to fraction form
    44,391/66,569.16 = 19,088.16/x
  3. Step 3: Cross multiply
    44,391x = 66,569.16 × 19,088.16
  4. Step 4: Simplify right side
    44,391x = 1,270,682,777.15
  5. Step 5: Solve for x
    x = 1,270,682,777.15/44,391
  6. Step 6: Final answer
    x = 28,624.78

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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.