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Finding the Fourth Proportional to 16,705.01, 25,060.53 and 8,390.76

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Solution

The fourth proportional to 16,705.01, 25,060.53 and 8,390.76 is: 12,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.01 : 25,060.53 = 8,390.76 : x
  2. Step 2: Convert to fraction form
    16,705.01/25,060.53 = 8,390.76/x
  3. Step 3: Cross multiply
    16,705.01x = 25,060.53 × 8,390.76
  4. Step 4: Simplify right side
    16,705.01x = 210,276,892.70
  5. Step 5: Solve for x
    x = 210,276,892.70/16,705.01
  6. Step 6: Final answer
    x = 12,587.66

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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.