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Finding the Fourth Proportional to 44,698.84, 66,946.16 and 21,341.68

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Solution

The fourth proportional to 44,698.84, 66,946.16 and 21,341.68 is: 31,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,698.84 : 66,946.16 = 21,341.68 : x
  2. Step 2: Convert to fraction form
    44,698.84/66,946.16 = 21,341.68/x
  3. Step 3: Cross multiply
    44,698.84x = 66,946.16 × 21,341.68
  4. Step 4: Simplify right side
    44,698.84x = 1,428,743,523.95
  5. Step 5: Solve for x
    x = 1,428,743,523.95/44,698.84
  6. Step 6: Final answer
    x = 31,963.77

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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.