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Finding the Fourth Proportional to 43,490, 60,016.20 and 23,618

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Solution

The fourth proportional to 43,490, 60,016.20 and 23,618 is: 32,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490 : 60,016.20 = 23,618 : x
  2. Step 2: Convert to fraction form
    43,490/60,016.20 = 23,618/x
  3. Step 3: Cross multiply
    43,490x = 60,016.20 × 23,618
  4. Step 4: Simplify right side
    43,490x = 1,417,462,611.60
  5. Step 5: Solve for x
    x = 1,417,462,611.60/43,490
  6. Step 6: Final answer
    x = 32,592.84

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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.