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Finding the Fourth Proportional to 54,225.84, 74,833 and 30,352.32

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Solution

The fourth proportional to 54,225.84, 74,833 and 30,352.32 is: 41,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,225.84 : 74,833 = 30,352.32 : x
  2. Step 2: Convert to fraction form
    54,225.84/74,833 = 30,352.32/x
  3. Step 3: Cross multiply
    54,225.84x = 74,833 × 30,352.32
  4. Step 4: Simplify right side
    54,225.84x = 2,271,355,162.56
  5. Step 5: Solve for x
    x = 2,271,355,162.56/54,225.84
  6. Step 6: Final answer
    x = 41,886.95

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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.