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Finding the Fourth Proportional to 25,303.78, 34,924.53 and 14,692.78

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Solution

The fourth proportional to 25,303.78, 34,924.53 and 14,692.78 is: 20,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.78 : 34,924.53 = 14,692.78 : x
  2. Step 2: Convert to fraction form
    25,303.78/34,924.53 = 14,692.78/x
  3. Step 3: Cross multiply
    25,303.78x = 34,924.53 × 14,692.78
  4. Step 4: Simplify right side
    25,303.78x = 513,138,435.89
  5. Step 5: Solve for x
    x = 513,138,435.89/25,303.78
  6. Step 6: Final answer
    x = 20,279.12

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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.