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Finding the Fourth Proportional to 61,393.12, 84,730 and 34,536.76

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Solution

The fourth proportional to 61,393.12, 84,730 and 34,536.76 is: 47,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,393.12 : 84,730 = 34,536.76 : x
  2. Step 2: Convert to fraction form
    61,393.12/84,730 = 34,536.76/x
  3. Step 3: Cross multiply
    61,393.12x = 84,730 × 34,536.76
  4. Step 4: Simplify right side
    61,393.12x = 2,926,299,674.80
  5. Step 5: Solve for x
    x = 2,926,299,674.80/61,393.12
  6. Step 6: Final answer
    x = 47,664.94

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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.