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Finding the Fourth Proportional to 58,993.88, 88,491.72 and 21,561.56

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Solution

The fourth proportional to 58,993.88, 88,491.72 and 21,561.56 is: 32,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,993.88 : 88,491.72 = 21,561.56 : x
  2. Step 2: Convert to fraction form
    58,993.88/88,491.72 = 21,561.56/x
  3. Step 3: Cross multiply
    58,993.88x = 88,491.72 × 21,561.56
  4. Step 4: Simplify right side
    58,993.88x = 1,908,019,530.28
  5. Step 5: Solve for x
    x = 1,908,019,530.28/58,993.88
  6. Step 6: Final answer
    x = 32,342.67

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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.