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Finding the Fourth Proportional to 9,803.70, 14,705.55 and 9,458.10

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Solution

The fourth proportional to 9,803.70, 14,705.55 and 9,458.10 is: 14,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,803.70 : 14,705.55 = 9,458.10 : x
  2. Step 2: Convert to fraction form
    9,803.70/14,705.55 = 9,458.10/x
  3. Step 3: Cross multiply
    9,803.70x = 14,705.55 × 9,458.10
  4. Step 4: Simplify right side
    9,803.70x = 139,086,562.46
  5. Step 5: Solve for x
    x = 139,086,562.46/9,803.70
  6. Step 6: Final answer
    x = 14,187.15

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Similar ratio
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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.