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Finding the Fourth Proportional to 48,970.50, 67,579.29 and 29,098.50

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Solution

The fourth proportional to 48,970.50, 67,579.29 and 29,098.50 is: 40,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,970.50 : 67,579.29 = 29,098.50 : x
  2. Step 2: Convert to fraction form
    48,970.50/67,579.29 = 29,098.50/x
  3. Step 3: Cross multiply
    48,970.50x = 67,579.29 × 29,098.50
  4. Step 4: Simplify right side
    48,970.50x = 1,966,455,970.07
  5. Step 5: Solve for x
    x = 1,966,455,970.07/48,970.50
  6. Step 6: Final answer
    x = 40,155.93

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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.