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Finding the Fourth Proportional to 25,793.78, 35,597.25 and 14,312.45

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Solution

The fourth proportional to 25,793.78, 35,597.25 and 14,312.45 is: 19,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,793.78 : 35,597.25 = 14,312.45 : x
  2. Step 2: Convert to fraction form
    25,793.78/35,597.25 = 14,312.45/x
  3. Step 3: Cross multiply
    25,793.78x = 35,597.25 × 14,312.45
  4. Step 4: Simplify right side
    25,793.78x = 509,483,949.76
  5. Step 5: Solve for x
    x = 509,483,949.76/25,793.78
  6. Step 6: Final answer
    x = 19,752.21

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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.