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Finding the Fourth Proportional to 70,006.60, 105,025.56 and 25,632.46

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Solution

The fourth proportional to 70,006.60, 105,025.56 and 25,632.46 is: 38,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,006.60 : 105,025.56 = 25,632.46 : x
  2. Step 2: Convert to fraction form
    70,006.60/105,025.56 = 25,632.46/x
  3. Step 3: Cross multiply
    70,006.60x = 105,025.56 × 25,632.46
  4. Step 4: Simplify right side
    70,006.60x = 2,692,063,465.68
  5. Step 5: Solve for x
    x = 2,692,063,465.68/70,006.60
  6. Step 6: Final answer
    x = 38,454.42

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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.