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Finding the Fourth Proportional to 25,473.92, 38,141.63 and 14,928.40

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Solution

The fourth proportional to 25,473.92, 38,141.63 and 14,928.40 is: 22,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,473.92 : 38,141.63 = 14,928.40 : x
  2. Step 2: Convert to fraction form
    25,473.92/38,141.63 = 14,928.40/x
  3. Step 3: Cross multiply
    25,473.92x = 38,141.63 × 14,928.40
  4. Step 4: Simplify right side
    25,473.92x = 569,393,243.94
  5. Step 5: Solve for x
    x = 569,393,243.94/25,473.92
  6. Step 6: Final answer
    x = 22,352.01

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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.