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Finding the Fourth Proportional to 73,502.58, 101,433.48 and 39,968.58

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Solution

The fourth proportional to 73,502.58, 101,433.48 and 39,968.58 is: 55,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,502.58 : 101,433.48 = 39,968.58 : x
  2. Step 2: Convert to fraction form
    73,502.58/101,433.48 = 39,968.58/x
  3. Step 3: Cross multiply
    73,502.58x = 101,433.48 × 39,968.58
  4. Step 4: Simplify right side
    73,502.58x = 4,054,152,160.06
  5. Step 5: Solve for x
    x = 4,054,152,160.06/73,502.58
  6. Step 6: Final answer
    x = 55,156.60

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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.