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Finding the Fourth Proportional to 70,581.06, 97,402.03 and 38,752.02

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Solution

The fourth proportional to 70,581.06, 97,402.03 and 38,752.02 is: 53,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,581.06 : 97,402.03 = 38,752.02 : x
  2. Step 2: Convert to fraction form
    70,581.06/97,402.03 = 38,752.02/x
  3. Step 3: Cross multiply
    70,581.06x = 97,402.03 × 38,752.02
  4. Step 4: Simplify right side
    70,581.06x = 3,774,525,317.72
  5. Step 5: Solve for x
    x = 3,774,525,317.72/70,581.06
  6. Step 6: Final answer
    x = 53,477.88

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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.