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Finding the Fourth Proportional to 58,424.82, 87,714.87 and 39,512.98

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Solution

The fourth proportional to 58,424.82, 87,714.87 and 39,512.98 is: 59,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,424.82 : 87,714.87 = 39,512.98 : x
  2. Step 2: Convert to fraction form
    58,424.82/87,714.87 = 39,512.98/x
  3. Step 3: Cross multiply
    58,424.82x = 87,714.87 × 39,512.98
  4. Step 4: Simplify right side
    58,424.82x = 3,465,875,904.01
  5. Step 5: Solve for x
    x = 3,465,875,904.01/58,424.82
  6. Step 6: Final answer
    x = 59,321.98

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1.5x scale

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.