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Finding the Fourth Proportional to 25,609.68, 35,348.04 and 16,681.68

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Solution

The fourth proportional to 25,609.68, 35,348.04 and 16,681.68 is: 23,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.68 : 35,348.04 = 16,681.68 : x
  2. Step 2: Convert to fraction form
    25,609.68/35,348.04 = 16,681.68/x
  3. Step 3: Cross multiply
    25,609.68x = 35,348.04 × 16,681.68
  4. Step 4: Simplify right side
    25,609.68x = 589,664,691.91
  5. Step 5: Solve for x
    x = 589,664,691.91/25,609.68
  6. Step 6: Final answer
    x = 23,025.07

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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.