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Finding the Fourth Proportional to 25,695.35, 35,460.42 and 14,210.43

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Solution

The fourth proportional to 25,695.35, 35,460.42 and 14,210.43 is: 19,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.35 : 35,460.42 = 14,210.43 : x
  2. Step 2: Convert to fraction form
    25,695.35/35,460.42 = 14,210.43/x
  3. Step 3: Cross multiply
    25,695.35x = 35,460.42 × 14,210.43
  4. Step 4: Simplify right side
    25,695.35x = 503,907,629.91
  5. Step 5: Solve for x
    x = 503,907,629.91/25,695.35
  6. Step 6: Final answer
    x = 19,610.85

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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.