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Finding the Fourth Proportional to 44,522.79, 66,768.80 and 12,924.28

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Solution

The fourth proportional to 44,522.79, 66,768.80 and 12,924.28 is: 19,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,522.79 : 66,768.80 = 12,924.28 : x
  2. Step 2: Convert to fraction form
    44,522.79/66,768.80 = 12,924.28/x
  3. Step 3: Cross multiply
    44,522.79x = 66,768.80 × 12,924.28
  4. Step 4: Simplify right side
    44,522.79x = 862,938,698.77
  5. Step 5: Solve for x
    x = 862,938,698.77/44,522.79
  6. Step 6: Final answer
    x = 19,381.96

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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.