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Finding the Fourth Proportional to 60,612.45, 90,932.98 and 19,059.45

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Solution

The fourth proportional to 60,612.45, 90,932.98 and 19,059.45 is: 28,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,612.45 : 90,932.98 = 19,059.45 : x
  2. Step 2: Convert to fraction form
    60,612.45/90,932.98 = 19,059.45/x
  3. Step 3: Cross multiply
    60,612.45x = 90,932.98 × 19,059.45
  4. Step 4: Simplify right side
    60,612.45x = 1,733,132,585.66
  5. Step 5: Solve for x
    x = 1,733,132,585.66/60,612.45
  6. Step 6: Final answer
    x = 28,593.67

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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.