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Finding the Fourth Proportional to 54,019.40, 74,581.46 and 33,903.88

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Solution

The fourth proportional to 54,019.40, 74,581.46 and 33,903.88 is: 46,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,019.40 : 74,581.46 = 33,903.88 : x
  2. Step 2: Convert to fraction form
    54,019.40/74,581.46 = 33,903.88/x
  3. Step 3: Cross multiply
    54,019.40x = 74,581.46 × 33,903.88
  4. Step 4: Simplify right side
    54,019.40x = 2,528,600,870.06
  5. Step 5: Solve for x
    x = 2,528,600,870.06/54,019.40
  6. Step 6: Final answer
    x = 46,809.13

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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.