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Finding the Fourth Proportional to 44,509.68, 66,771 and 14,920.88

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Solution

The fourth proportional to 44,509.68, 66,771 and 14,920.88 is: 22,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,509.68 : 66,771 = 14,920.88 : x
  2. Step 2: Convert to fraction form
    44,509.68/66,771 = 14,920.88/x
  3. Step 3: Cross multiply
    44,509.68x = 66,771 × 14,920.88
  4. Step 4: Simplify right side
    44,509.68x = 996,282,078.48
  5. Step 5: Solve for x
    x = 996,282,078.48/44,509.68
  6. Step 6: Final answer
    x = 22,383.49

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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.