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Finding the Fourth Proportional to 25,614.68, 35,355 and 16,686.68

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Solution

The fourth proportional to 25,614.68, 35,355 and 16,686.68 is: 23,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,614.68 : 35,355 = 16,686.68 : x
  2. Step 2: Convert to fraction form
    25,614.68/35,355 = 16,686.68/x
  3. Step 3: Cross multiply
    25,614.68x = 35,355 × 16,686.68
  4. Step 4: Simplify right side
    25,614.68x = 589,957,571.40
  5. Step 5: Solve for x
    x = 589,957,571.40/25,614.68
  6. Step 6: Final answer
    x = 23,032.01

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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.