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Finding the Fourth Proportional to 46,788.71, 70,162.32 and 29,018.66

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Solution

The fourth proportional to 46,788.71, 70,162.32 and 29,018.66 is: 43,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,788.71 : 70,162.32 = 29,018.66 : x
  2. Step 2: Convert to fraction form
    46,788.71/70,162.32 = 29,018.66/x
  3. Step 3: Cross multiply
    46,788.71x = 70,162.32 × 29,018.66
  4. Step 4: Simplify right side
    46,788.71x = 2,036,016,508.89
  5. Step 5: Solve for x
    x = 2,036,016,508.89/46,788.71
  6. Step 6: Final answer
    x = 43,515.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.