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Finding the Fourth Proportional to 57,510.70, 86,266.05 and 18,071.80

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Solution

The fourth proportional to 57,510.70, 86,266.05 and 18,071.80 is: 27,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,510.70 : 86,266.05 = 18,071.80 : x
  2. Step 2: Convert to fraction form
    57,510.70/86,266.05 = 18,071.80/x
  3. Step 3: Cross multiply
    57,510.70x = 86,266.05 × 18,071.80
  4. Step 4: Simplify right side
    57,510.70x = 1,558,982,802.39
  5. Step 5: Solve for x
    x = 1,558,982,802.39/57,510.70
  6. Step 6: Final answer
    x = 27,107.70

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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.