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Finding the Fourth Proportional to 60,043.32, 90,066.76 and 20,599.84

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Solution

The fourth proportional to 60,043.32, 90,066.76 and 20,599.84 is: 30,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,043.32 : 90,066.76 = 20,599.84 : x
  2. Step 2: Convert to fraction form
    60,043.32/90,066.76 = 20,599.84/x
  3. Step 3: Cross multiply
    60,043.32x = 90,066.76 × 20,599.84
  4. Step 4: Simplify right side
    60,043.32x = 1,855,360,845.32
  5. Step 5: Solve for x
    x = 1,855,360,845.32/60,043.32
  6. Step 6: Final answer
    x = 30,900.37

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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.