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Finding the Fourth Proportional to 46,908.95, 70,382.97 and 18,848.95

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Solution

The fourth proportional to 46,908.95, 70,382.97 and 18,848.95 is: 28,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,908.95 : 70,382.97 = 18,848.95 : x
  2. Step 2: Convert to fraction form
    46,908.95/70,382.97 = 18,848.95/x
  3. Step 3: Cross multiply
    46,908.95x = 70,382.97 × 18,848.95
  4. Step 4: Simplify right side
    46,908.95x = 1,326,644,906.42
  5. Step 5: Solve for x
    x = 1,326,644,906.42/46,908.95
  6. Step 6: Final answer
    x = 28,281.28

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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.