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Finding the Fourth Proportional to 9,930.08, 14,875.44 and 6,802.40

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Solution

The fourth proportional to 9,930.08, 14,875.44 and 6,802.40 is: 10,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.08 : 14,875.44 = 6,802.40 : x
  2. Step 2: Convert to fraction form
    9,930.08/14,875.44 = 6,802.40/x
  3. Step 3: Cross multiply
    9,930.08x = 14,875.44 × 6,802.40
  4. Step 4: Simplify right side
    9,930.08x = 101,188,693.06
  5. Step 5: Solve for x
    x = 101,188,693.06/9,930.08
  6. Step 6: Final answer
    x = 10,190.12

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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.