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Finding the Fourth Proportional to 58,746, 81,032.60 and 34,855.76

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Solution

The fourth proportional to 58,746, 81,032.60 and 34,855.76 is: 48,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,746 : 81,032.60 = 34,855.76 : x
  2. Step 2: Convert to fraction form
    58,746/81,032.60 = 34,855.76/x
  3. Step 3: Cross multiply
    58,746x = 81,032.60 × 34,855.76
  4. Step 4: Simplify right side
    58,746x = 2,824,452,857.78
  5. Step 5: Solve for x
    x = 2,824,452,857.78/58,746
  6. Step 6: Final answer
    x = 48,079.07

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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.