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Finding the Fourth Proportional to 33,300.99, 45,955.40 and 19,153.80

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Solution

The fourth proportional to 33,300.99, 45,955.40 and 19,153.80 is: 26,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,300.99 : 45,955.40 = 19,153.80 : x
  2. Step 2: Convert to fraction form
    33,300.99/45,955.40 = 19,153.80/x
  3. Step 3: Cross multiply
    33,300.99x = 45,955.40 × 19,153.80
  4. Step 4: Simplify right side
    33,300.99x = 880,220,444.75
  5. Step 5: Solve for x
    x = 880,220,444.75/33,300.99
  6. Step 6: Final answer
    x = 26,432.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.