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Finding the Fourth Proportional to 47,233.60, 70,850.40 and 39,457.60

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Solution

The fourth proportional to 47,233.60, 70,850.40 and 39,457.60 is: 59,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,233.60 : 70,850.40 = 39,457.60 : x
  2. Step 2: Convert to fraction form
    47,233.60/70,850.40 = 39,457.60/x
  3. Step 3: Cross multiply
    47,233.60x = 70,850.40 × 39,457.60
  4. Step 4: Simplify right side
    47,233.60x = 2,795,586,743.04
  5. Step 5: Solve for x
    x = 2,795,586,743.04/47,233.60
  6. Step 6: Final answer
    x = 59,186.40

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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.