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Finding the Fourth Proportional to 17,258.80, 25,888.20 and 16,602.70

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Solution

The fourth proportional to 17,258.80, 25,888.20 and 16,602.70 is: 24,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,258.80 : 25,888.20 = 16,602.70 : x
  2. Step 2: Convert to fraction form
    17,258.80/25,888.20 = 16,602.70/x
  3. Step 3: Cross multiply
    17,258.80x = 25,888.20 × 16,602.70
  4. Step 4: Simplify right side
    17,258.80x = 429,814,018.14
  5. Step 5: Solve for x
    x = 429,814,018.14/17,258.80
  6. Step 6: Final answer
    x = 24,904.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.