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Finding the Fourth Proportional to 60,337.63, 90,503.88 and 20,353.96

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Solution

The fourth proportional to 60,337.63, 90,503.88 and 20,353.96 is: 30,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,337.63 : 90,503.88 = 20,353.96 : x
  2. Step 2: Convert to fraction form
    60,337.63/90,503.88 = 20,353.96/x
  3. Step 3: Cross multiply
    60,337.63x = 90,503.88 × 20,353.96
  4. Step 4: Simplify right side
    60,337.63x = 1,842,112,353.36
  5. Step 5: Solve for x
    x = 1,842,112,353.36/60,337.63
  6. Step 6: Final answer
    x = 30,530.07

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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.