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Finding the Fourth Proportional to 30,756.04, 45,965.53 and 22,453.54

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Solution

The fourth proportional to 30,756.04, 45,965.53 and 22,453.54 is: 33,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.04 : 45,965.53 = 22,453.54 : x
  2. Step 2: Convert to fraction form
    30,756.04/45,965.53 = 22,453.54/x
  3. Step 3: Cross multiply
    30,756.04x = 45,965.53 × 22,453.54
  4. Step 4: Simplify right side
    30,756.04x = 1,032,088,866.48
  5. Step 5: Solve for x
    x = 1,032,088,866.48/30,756.04
  6. Step 6: Final answer
    x = 33,557.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.