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Finding the Fourth Proportional to 20,495.48, 30,752.93 and 7,349.18

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Solution

The fourth proportional to 20,495.48, 30,752.93 and 7,349.18 is: 11,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.48 : 30,752.93 = 7,349.18 : x
  2. Step 2: Convert to fraction form
    20,495.48/30,752.93 = 7,349.18/x
  3. Step 3: Cross multiply
    20,495.48x = 30,752.93 × 7,349.18
  4. Step 4: Simplify right side
    20,495.48x = 226,008,682.71
  5. Step 5: Solve for x
    x = 226,008,682.71/20,495.48
  6. Step 6: Final answer
    x = 11,027.25

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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.