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Finding the Fourth Proportional to 70,058.56, 96,682.94 and 39,848.23

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Solution

The fourth proportional to 70,058.56, 96,682.94 and 39,848.23 is: 54,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,058.56 : 96,682.94 = 39,848.23 : x
  2. Step 2: Convert to fraction form
    70,058.56/96,682.94 = 39,848.23/x
  3. Step 3: Cross multiply
    70,058.56x = 96,682.94 × 39,848.23
  4. Step 4: Simplify right side
    70,058.56x = 3,852,644,030.20
  5. Step 5: Solve for x
    x = 3,852,644,030.20/70,058.56
  6. Step 6: Final answer
    x = 54,991.77

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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.