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Finding the Fourth Proportional to 25,673.66, 35,429.25 and 14,343.32

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Solution

The fourth proportional to 25,673.66, 35,429.25 and 14,343.32 is: 19,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.66 : 35,429.25 = 14,343.32 : x
  2. Step 2: Convert to fraction form
    25,673.66/35,429.25 = 14,343.32/x
  3. Step 3: Cross multiply
    25,673.66x = 35,429.25 × 14,343.32
  4. Step 4: Simplify right side
    25,673.66x = 508,172,892.96
  5. Step 5: Solve for x
    x = 508,172,892.96/25,673.66
  6. Step 6: Final answer
    x = 19,793.55

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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.