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Finding the Fourth Proportional to 34,878.89, 48,140.51 and 22,943.40

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Solution

The fourth proportional to 34,878.89, 48,140.51 and 22,943.40 is: 31,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.89 : 48,140.51 = 22,943.40 : x
  2. Step 2: Convert to fraction form
    34,878.89/48,140.51 = 22,943.40/x
  3. Step 3: Cross multiply
    34,878.89x = 48,140.51 × 22,943.40
  4. Step 4: Simplify right side
    34,878.89x = 1,104,506,977.13
  5. Step 5: Solve for x
    x = 1,104,506,977.13/34,878.89
  6. Step 6: Final answer
    x = 31,666.92

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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.