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Finding the Fourth Proportional to 35,496.60, 53,244.90 and 30,219.45

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Solution

The fourth proportional to 35,496.60, 53,244.90 and 30,219.45 is: 45,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,496.60 : 53,244.90 = 30,219.45 : x
  2. Step 2: Convert to fraction form
    35,496.60/53,244.90 = 30,219.45/x
  3. Step 3: Cross multiply
    35,496.60x = 53,244.90 × 30,219.45
  4. Step 4: Simplify right side
    35,496.60x = 1,609,031,593.31
  5. Step 5: Solve for x
    x = 1,609,031,593.31/35,496.60
  6. Step 6: Final answer
    x = 45,329.18

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Similar ratio
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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.