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Finding the Fourth Proportional to 44,228, 66,345.24 and 14,645.18

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Solution

The fourth proportional to 44,228, 66,345.24 and 14,645.18 is: 21,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,228 : 66,345.24 = 14,645.18 : x
  2. Step 2: Convert to fraction form
    44,228/66,345.24 = 14,645.18/x
  3. Step 3: Cross multiply
    44,228x = 66,345.24 × 14,645.18
  4. Step 4: Simplify right side
    44,228x = 971,637,981.94
  5. Step 5: Solve for x
    x = 971,637,981.94/44,228
  6. Step 6: Final answer
    x = 21,968.84

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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.