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Finding the Fourth Proportional to 73,403.57, 101,297.02 and 39,869.57

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Solution

The fourth proportional to 73,403.57, 101,297.02 and 39,869.57 is: 55,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,403.57 : 101,297.02 = 39,869.57 : x
  2. Step 2: Convert to fraction form
    73,403.57/101,297.02 = 39,869.57/x
  3. Step 3: Cross multiply
    73,403.57x = 101,297.02 × 39,869.57
  4. Step 4: Simplify right side
    73,403.57x = 4,038,668,123.20
  5. Step 5: Solve for x
    x = 4,038,668,123.20/73,403.57
  6. Step 6: Final answer
    x = 55,020.05

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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.