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Finding the Fourth Proportional to 15,022.48, 20,733.48 and 8,973.52

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Solution

The fourth proportional to 15,022.48, 20,733.48 and 8,973.52 is: 12,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.48 : 20,733.48 = 8,973.52 : x
  2. Step 2: Convert to fraction form
    15,022.48/20,733.48 = 8,973.52/x
  3. Step 3: Cross multiply
    15,022.48x = 20,733.48 × 8,973.52
  4. Step 4: Simplify right side
    15,022.48x = 186,052,297.45
  5. Step 5: Solve for x
    x = 186,052,297.45/15,022.48
  6. Step 6: Final answer
    x = 12,384.93

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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.