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Finding the Fourth Proportional to 25,988.61, 35,865 and 14,660.22

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Solution

The fourth proportional to 25,988.61, 35,865 and 14,660.22 is: 20,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,988.61 : 35,865 = 14,660.22 : x
  2. Step 2: Convert to fraction form
    25,988.61/35,865 = 14,660.22/x
  3. Step 3: Cross multiply
    25,988.61x = 35,865 × 14,660.22
  4. Step 4: Simplify right side
    25,988.61x = 525,788,790.30
  5. Step 5: Solve for x
    x = 525,788,790.30/25,988.61
  6. Step 6: Final answer
    x = 20,231.51

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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.