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Finding the Fourth Proportional to 10,798.92, 16,191.90 and 5,870.88

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Solution

The fourth proportional to 10,798.92, 16,191.90 and 5,870.88 is: 8,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,798.92 : 16,191.90 = 5,870.88 : x
  2. Step 2: Convert to fraction form
    10,798.92/16,191.90 = 5,870.88/x
  3. Step 3: Cross multiply
    10,798.92x = 16,191.90 × 5,870.88
  4. Step 4: Simplify right side
    10,798.92x = 95,060,701.87
  5. Step 5: Solve for x
    x = 95,060,701.87/10,798.92
  6. Step 6: Final answer
    x = 8,802.80

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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.