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Finding the Fourth Proportional to 53,230.32, 73,444.32 and 39,058.56

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Solution

The fourth proportional to 53,230.32, 73,444.32 and 39,058.56 is: 53,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.32 : 73,444.32 = 39,058.56 : x
  2. Step 2: Convert to fraction form
    53,230.32/73,444.32 = 39,058.56/x
  3. Step 3: Cross multiply
    53,230.32x = 73,444.32 × 39,058.56
  4. Step 4: Simplify right side
    53,230.32x = 2,868,629,379.38
  5. Step 5: Solve for x
    x = 2,868,629,379.38/53,230.32
  6. Step 6: Final answer
    x = 53,890.89

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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.