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Finding the Fourth Proportional to 58,125.60, 87,064.44 and 28,094.46

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Solution

The fourth proportional to 58,125.60, 87,064.44 and 28,094.46 is: 42,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,125.60 : 87,064.44 = 28,094.46 : x
  2. Step 2: Convert to fraction form
    58,125.60/87,064.44 = 28,094.46/x
  3. Step 3: Cross multiply
    58,125.60x = 87,064.44 × 28,094.46
  4. Step 4: Simplify right side
    58,125.60x = 2,446,028,427.00
  5. Step 5: Solve for x
    x = 2,446,028,427.00/58,125.60
  6. Step 6: Final answer
    x = 42,081.78

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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.