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Finding the Fourth Proportional to 25,394.92, 35,026.09 and 16,435.51

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Solution

The fourth proportional to 25,394.92, 35,026.09 and 16,435.51 is: 22,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394.92 : 35,026.09 = 16,435.51 : x
  2. Step 2: Convert to fraction form
    25,394.92/35,026.09 = 16,435.51/x
  3. Step 3: Cross multiply
    25,394.92x = 35,026.09 × 16,435.51
  4. Step 4: Simplify right side
    25,394.92x = 575,671,652.46
  5. Step 5: Solve for x
    x = 575,671,652.46/25,394.92
  6. Step 6: Final answer
    x = 22,668.77

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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.