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Finding the Fourth Proportional to 9,802.92, 14,687.10 and 4,866.60

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Solution

The fourth proportional to 9,802.92, 14,687.10 and 4,866.60 is: 7,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,802.92 : 14,687.10 = 4,866.60 : x
  2. Step 2: Convert to fraction form
    9,802.92/14,687.10 = 4,866.60/x
  3. Step 3: Cross multiply
    9,802.92x = 14,687.10 × 4,866.60
  4. Step 4: Simplify right side
    9,802.92x = 71,476,240.86
  5. Step 5: Solve for x
    x = 71,476,240.86/9,802.92
  6. Step 6: Final answer
    x = 7,291.32

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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.