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Finding the Fourth Proportional to 60,293.60, 90,440.40 and 20,846.60

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Solution

The fourth proportional to 60,293.60, 90,440.40 and 20,846.60 is: 31,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,293.60 : 90,440.40 = 20,846.60 : x
  2. Step 2: Convert to fraction form
    60,293.60/90,440.40 = 20,846.60/x
  3. Step 3: Cross multiply
    60,293.60x = 90,440.40 × 20,846.60
  4. Step 4: Simplify right side
    60,293.60x = 1,885,374,842.64
  5. Step 5: Solve for x
    x = 1,885,374,842.64/60,293.60
  6. Step 6: Final answer
    x = 31,269.90

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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.