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Finding the Fourth Proportional to 55,331.40, 83,007.90 and 22,045.80

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Solution

The fourth proportional to 55,331.40, 83,007.90 and 22,045.80 is: 33,073.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,331.40 : 83,007.90 = 22,045.80 : x
  2. Step 2: Convert to fraction form
    55,331.40/83,007.90 = 22,045.80/x
  3. Step 3: Cross multiply
    55,331.40x = 83,007.90 × 22,045.80
  4. Step 4: Simplify right side
    55,331.40x = 1,829,975,561.82
  5. Step 5: Solve for x
    x = 1,829,975,561.82/55,331.40
  6. Step 6: Final answer
    x = 33,073.00

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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.