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Finding the Fourth Proportional to 25,695.80, 35,417.76 and 17,194.86

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Solution

The fourth proportional to 25,695.80, 35,417.76 and 17,194.86 is: 23,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.80 : 35,417.76 = 17,194.86 : x
  2. Step 2: Convert to fraction form
    25,695.80/35,417.76 = 17,194.86/x
  3. Step 3: Cross multiply
    25,695.80x = 35,417.76 × 17,194.86
  4. Step 4: Simplify right side
    25,695.80x = 609,003,424.71
  5. Step 5: Solve for x
    x = 609,003,424.71/25,695.80
  6. Step 6: Final answer
    x = 23,700.50

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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.