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Finding the Fourth Proportional to 10,703.44, 16,055.16 and 7,028.92

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Solution

The fourth proportional to 10,703.44, 16,055.16 and 7,028.92 is: 10,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.44 : 16,055.16 = 7,028.92 : x
  2. Step 2: Convert to fraction form
    10,703.44/16,055.16 = 7,028.92/x
  3. Step 3: Cross multiply
    10,703.44x = 16,055.16 × 7,028.92
  4. Step 4: Simplify right side
    10,703.44x = 112,850,435.23
  5. Step 5: Solve for x
    x = 112,850,435.23/10,703.44
  6. Step 6: Final answer
    x = 10,543.38

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Double scale
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Similar ratio
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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.