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Finding the Fourth Proportional to 70,572.08, 105,858.27 and 49,605.94

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Solution

The fourth proportional to 70,572.08, 105,858.27 and 49,605.94 is: 74,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,572.08 : 105,858.27 = 49,605.94 : x
  2. Step 2: Convert to fraction form
    70,572.08/105,858.27 = 49,605.94/x
  3. Step 3: Cross multiply
    70,572.08x = 105,858.27 × 49,605.94
  4. Step 4: Simplify right side
    70,572.08x = 5,251,198,387.48
  5. Step 5: Solve for x
    x = 5,251,198,387.48/70,572.08
  6. Step 6: Final answer
    x = 74,409.01

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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.