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Finding the Fourth Proportional to 12,179.54, 16,807.76 and 6,590.54

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Solution

The fourth proportional to 12,179.54, 16,807.76 and 6,590.54 is: 9,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.54 : 16,807.76 = 6,590.54 : x
  2. Step 2: Convert to fraction form
    12,179.54/16,807.76 = 6,590.54/x
  3. Step 3: Cross multiply
    12,179.54x = 16,807.76 × 6,590.54
  4. Step 4: Simplify right side
    12,179.54x = 110,772,097.60
  5. Step 5: Solve for x
    x = 110,772,097.60/12,179.54
  6. Step 6: Final answer
    x = 9,094.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.