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Finding the Fourth Proportional to 70,492.66, 97,282.68 and 38,662.72

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Solution

The fourth proportional to 70,492.66, 97,282.68 and 38,662.72 is: 53,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,492.66 : 97,282.68 = 38,662.72 : x
  2. Step 2: Convert to fraction form
    70,492.66/97,282.68 = 38,662.72/x
  3. Step 3: Cross multiply
    70,492.66x = 97,282.68 × 38,662.72
  4. Step 4: Simplify right side
    70,492.66x = 3,761,213,017.69
  5. Step 5: Solve for x
    x = 3,761,213,017.69/70,492.66
  6. Step 6: Final answer
    x = 53,356.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.