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Finding the Fourth Proportional to 56,471.58, 77,929.62 and 34,955.64

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Solution

The fourth proportional to 56,471.58, 77,929.62 and 34,955.64 is: 48,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,471.58 : 77,929.62 = 34,955.64 : x
  2. Step 2: Convert to fraction form
    56,471.58/77,929.62 = 34,955.64/x
  3. Step 3: Cross multiply
    56,471.58x = 77,929.62 × 34,955.64
  4. Step 4: Simplify right side
    56,471.58x = 2,724,079,742.06
  5. Step 5: Solve for x
    x = 2,724,079,742.06/56,471.58
  6. Step 6: Final answer
    x = 48,238.06

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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.