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Finding the Fourth Proportional to 88,643.10, 132,964.65 and 26,313.60

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Solution

The fourth proportional to 88,643.10, 132,964.65 and 26,313.60 is: 39,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,643.10 : 132,964.65 = 26,313.60 : x
  2. Step 2: Convert to fraction form
    88,643.10/132,964.65 = 26,313.60/x
  3. Step 3: Cross multiply
    88,643.10x = 132,964.65 × 26,313.60
  4. Step 4: Simplify right side
    88,643.10x = 3,498,778,614.24
  5. Step 5: Solve for x
    x = 3,498,778,614.24/88,643.10
  6. Step 6: Final answer
    x = 39,470.40

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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.