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Finding the Fourth Proportional to 67,653.79, 101,478.58 and 32,140.67

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Solution

The fourth proportional to 67,653.79, 101,478.58 and 32,140.67 is: 48,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,653.79 : 101,478.58 = 32,140.67 : x
  2. Step 2: Convert to fraction form
    67,653.79/101,478.58 = 32,140.67/x
  3. Step 3: Cross multiply
    67,653.79x = 101,478.58 × 32,140.67
  4. Step 4: Simplify right side
    67,653.79x = 3,261,589,551.85
  5. Step 5: Solve for x
    x = 3,261,589,551.85/67,653.79
  6. Step 6: Final answer
    x = 48,210.00

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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.