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Finding the Fourth Proportional to 43,266.70, 64,900.05 and 18,334.90

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Solution

The fourth proportional to 43,266.70, 64,900.05 and 18,334.90 is: 27,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.70 : 64,900.05 = 18,334.90 : x
  2. Step 2: Convert to fraction form
    43,266.70/64,900.05 = 18,334.90/x
  3. Step 3: Cross multiply
    43,266.70x = 64,900.05 × 18,334.90
  4. Step 4: Simplify right side
    43,266.70x = 1,189,935,926.75
  5. Step 5: Solve for x
    x = 1,189,935,926.75/43,266.70
  6. Step 6: Final answer
    x = 27,502.35

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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.