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Finding the Fourth Proportional to 73,504.18, 101,435.52 and 39,970.18

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Solution

The fourth proportional to 73,504.18, 101,435.52 and 39,970.18 is: 55,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,504.18 : 101,435.52 = 39,970.18 : x
  2. Step 2: Convert to fraction form
    73,504.18/101,435.52 = 39,970.18/x
  3. Step 3: Cross multiply
    73,504.18x = 101,435.52 × 39,970.18
  4. Step 4: Simplify right side
    73,504.18x = 4,054,395,992.79
  5. Step 5: Solve for x
    x = 4,054,395,992.79/73,504.18
  6. Step 6: Final answer
    x = 55,158.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.