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Finding the Fourth Proportional to 66,713.70, 100,089.54 and 22,343.16

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Solution

The fourth proportional to 66,713.70, 100,089.54 and 22,343.16 is: 33,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.70 : 100,089.54 = 22,343.16 : x
  2. Step 2: Convert to fraction form
    66,713.70/100,089.54 = 22,343.16/x
  3. Step 3: Cross multiply
    66,713.70x = 100,089.54 × 22,343.16
  4. Step 4: Simplify right side
    66,713.70x = 2,236,316,606.55
  5. Step 5: Solve for x
    x = 2,236,316,606.55/66,713.70
  6. Step 6: Final answer
    x = 33,521.10

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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.