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Finding the Fourth Proportional to 12,071.47, 18,097.47 and 4,276.03

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Solution

The fourth proportional to 12,071.47, 18,097.47 and 4,276.03 is: 6,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.47 : 18,097.47 = 4,276.03 : x
  2. Step 2: Convert to fraction form
    12,071.47/18,097.47 = 4,276.03/x
  3. Step 3: Cross multiply
    12,071.47x = 18,097.47 × 4,276.03
  4. Step 4: Simplify right side
    12,071.47x = 77,385,324.64
  5. Step 5: Solve for x
    x = 77,385,324.64/12,071.47
  6. Step 6: Final answer
    x = 6,410.60

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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.