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Finding the Fourth Proportional to 14,856, 20,502.56 and 8,233.28

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Solution

The fourth proportional to 14,856, 20,502.56 and 8,233.28 is: 11,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856 : 20,502.56 = 8,233.28 : x
  2. Step 2: Convert to fraction form
    14,856/20,502.56 = 8,233.28/x
  3. Step 3: Cross multiply
    14,856x = 20,502.56 × 8,233.28
  4. Step 4: Simplify right side
    14,856x = 168,803,317.20
  5. Step 5: Solve for x
    x = 168,803,317.20/14,856
  6. Step 6: Final answer
    x = 11,362.64

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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.