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Finding the Fourth Proportional to 7,503.77, 11,255.66 and 1,957.10

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Solution

The fourth proportional to 7,503.77, 11,255.66 and 1,957.10 is: 2,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.77 : 11,255.66 = 1,957.10 : x
  2. Step 2: Convert to fraction form
    7,503.77/11,255.66 = 1,957.10/x
  3. Step 3: Cross multiply
    7,503.77x = 11,255.66 × 1,957.10
  4. Step 4: Simplify right side
    7,503.77x = 22,028,452.19
  5. Step 5: Solve for x
    x = 22,028,452.19/7,503.77
  6. Step 6: Final answer
    x = 2,935.65

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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.