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Finding the Fourth Proportional to 58,607.66, 80,878.37 and 31,750.14

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Solution

The fourth proportional to 58,607.66, 80,878.37 and 31,750.14 is: 43,815.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,607.66 : 80,878.37 = 31,750.14 : x
  2. Step 2: Convert to fraction form
    58,607.66/80,878.37 = 31,750.14/x
  3. Step 3: Cross multiply
    58,607.66x = 80,878.37 × 31,750.14
  4. Step 4: Simplify right side
    58,607.66x = 2,567,899,411.72
  5. Step 5: Solve for x
    x = 2,567,899,411.72/58,607.66
  6. Step 6: Final answer
    x = 43,815.09

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1.5x scale

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.