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Finding the Fourth Proportional to 58,297.61, 87,424.99 and 20,847.53

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Solution

The fourth proportional to 58,297.61, 87,424.99 and 20,847.53 is: 31,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,297.61 : 87,424.99 = 20,847.53 : x
  2. Step 2: Convert to fraction form
    58,297.61/87,424.99 = 20,847.53/x
  3. Step 3: Cross multiply
    58,297.61x = 87,424.99 × 20,847.53
  4. Step 4: Simplify right side
    58,297.61x = 1,822,595,268.22
  5. Step 5: Solve for x
    x = 1,822,595,268.22/58,297.61
  6. Step 6: Final answer
    x = 31,263.63

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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.