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Finding the Fourth Proportional to 9,798.05, 14,670.99 and 6,684.21

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Solution

The fourth proportional to 9,798.05, 14,670.99 and 6,684.21 is: 10,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.05 : 14,670.99 = 6,684.21 : x
  2. Step 2: Convert to fraction form
    9,798.05/14,670.99 = 6,684.21/x
  3. Step 3: Cross multiply
    9,798.05x = 14,670.99 × 6,684.21
  4. Step 4: Simplify right side
    9,798.05x = 98,063,978.07
  5. Step 5: Solve for x
    x = 98,063,978.07/9,798.05
  6. Step 6: Final answer
    x = 10,008.52

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Double scale
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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.