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Finding the Fourth Proportional to 25,411.92, 35,071.94 and 14,804.88

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Solution

The fourth proportional to 25,411.92, 35,071.94 and 14,804.88 is: 20,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.92 : 35,071.94 = 14,804.88 : x
  2. Step 2: Convert to fraction form
    25,411.92/35,071.94 = 14,804.88/x
  3. Step 3: Cross multiply
    25,411.92x = 35,071.94 × 14,804.88
  4. Step 4: Simplify right side
    25,411.92x = 519,235,863.07
  5. Step 5: Solve for x
    x = 519,235,863.07/25,411.92
  6. Step 6: Final answer
    x = 20,432.77

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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.