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Finding the Fourth Proportional to 10,880.10, 15,003.14 and 8,053.40

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Solution

The fourth proportional to 10,880.10, 15,003.14 and 8,053.40 is: 11,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.10 : 15,003.14 = 8,053.40 : x
  2. Step 2: Convert to fraction form
    10,880.10/15,003.14 = 8,053.40/x
  3. Step 3: Cross multiply
    10,880.10x = 15,003.14 × 8,053.40
  4. Step 4: Simplify right side
    10,880.10x = 120,826,284.92
  5. Step 5: Solve for x
    x = 120,826,284.92/10,880.10
  6. Step 6: Final answer
    x = 11,105.25

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Half scale
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Double scale
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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.