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Finding the Fourth Proportional to 73,604.40, 101,574.36 and 40,070.40

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Solution

The fourth proportional to 73,604.40, 101,574.36 and 40,070.40 is: 55,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,604.40 : 101,574.36 = 40,070.40 : x
  2. Step 2: Convert to fraction form
    73,604.40/101,574.36 = 40,070.40/x
  3. Step 3: Cross multiply
    73,604.40x = 101,574.36 × 40,070.40
  4. Step 4: Simplify right side
    73,604.40x = 4,070,125,234.94
  5. Step 5: Solve for x
    x = 4,070,125,234.94/73,604.40
  6. Step 6: Final answer
    x = 55,297.31

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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.