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Finding the Fourth Proportional to 10,959.76, 16,445.04 and 6,798.70

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Solution

The fourth proportional to 10,959.76, 16,445.04 and 6,798.70 is: 10,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.76 : 16,445.04 = 6,798.70 : x
  2. Step 2: Convert to fraction form
    10,959.76/16,445.04 = 6,798.70/x
  3. Step 3: Cross multiply
    10,959.76x = 16,445.04 × 6,798.70
  4. Step 4: Simplify right side
    10,959.76x = 111,804,893.45
  5. Step 5: Solve for x
    x = 111,804,893.45/10,959.76
  6. Step 6: Final answer
    x = 10,201.40

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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.