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Finding the Fourth Proportional to 25,308, 34,924.68 and 14,703.60

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Solution

The fourth proportional to 25,308, 34,924.68 and 14,703.60 is: 20,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,308 : 34,924.68 = 14,703.60 : x
  2. Step 2: Convert to fraction form
    25,308/34,924.68 = 14,703.60/x
  3. Step 3: Cross multiply
    25,308x = 34,924.68 × 14,703.60
  4. Step 4: Simplify right side
    25,308x = 513,518,524.85
  5. Step 5: Solve for x
    x = 513,518,524.85/25,308
  6. Step 6: Final answer
    x = 20,290.76

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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.