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Finding the Fourth Proportional to 58,532, 87,798.96 and 16,983.20

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Solution

The fourth proportional to 58,532, 87,798.96 and 16,983.20 is: 25,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,532 : 87,798.96 = 16,983.20 : x
  2. Step 2: Convert to fraction form
    58,532/87,798.96 = 16,983.20/x
  3. Step 3: Cross multiply
    58,532x = 87,798.96 × 16,983.20
  4. Step 4: Simplify right side
    58,532x = 1,491,107,297.47
  5. Step 5: Solve for x
    x = 1,491,107,297.47/58,532
  6. Step 6: Final answer
    x = 25,475.08

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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.