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Finding the Fourth Proportional to 14,508.48, 21,763.24 and 4,646.48

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Solution

The fourth proportional to 14,508.48, 21,763.24 and 4,646.48 is: 6,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.48 : 21,763.24 = 4,646.48 : x
  2. Step 2: Convert to fraction form
    14,508.48/21,763.24 = 4,646.48/x
  3. Step 3: Cross multiply
    14,508.48x = 21,763.24 × 4,646.48
  4. Step 4: Simplify right side
    14,508.48x = 101,122,474.45
  5. Step 5: Solve for x
    x = 101,122,474.45/14,508.48
  6. Step 6: Final answer
    x = 6,969.89

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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.