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Finding the Fourth Proportional to 25,855.52, 35,678.52 and 14,524.40

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Solution

The fourth proportional to 25,855.52, 35,678.52 and 14,524.40 is: 20,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.52 : 35,678.52 = 14,524.40 : x
  2. Step 2: Convert to fraction form
    25,855.52/35,678.52 = 14,524.40/x
  3. Step 3: Cross multiply
    25,855.52x = 35,678.52 × 14,524.40
  4. Step 4: Simplify right side
    25,855.52x = 518,209,095.89
  5. Step 5: Solve for x
    x = 518,209,095.89/25,855.52
  6. Step 6: Final answer
    x = 20,042.49

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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.