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Finding the Fourth Proportional to 43,240.60, 64,860.90 and 23,557.60

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Solution

The fourth proportional to 43,240.60, 64,860.90 and 23,557.60 is: 35,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,240.60 : 64,860.90 = 23,557.60 : x
  2. Step 2: Convert to fraction form
    43,240.60/64,860.90 = 23,557.60/x
  3. Step 3: Cross multiply
    43,240.60x = 64,860.90 × 23,557.60
  4. Step 4: Simplify right side
    43,240.60x = 1,527,967,137.84
  5. Step 5: Solve for x
    x = 1,527,967,137.84/43,240.60
  6. Step 6: Final answer
    x = 35,336.40

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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.