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Finding the Fourth Proportional to 2,092.76, 2,888.04 and 1,161.32

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Solution

The fourth proportional to 2,092.76, 2,888.04 and 1,161.32 is: 1,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.76 : 2,888.04 = 1,161.32 : x
  2. Step 2: Convert to fraction form
    2,092.76/2,888.04 = 1,161.32/x
  3. Step 3: Cross multiply
    2,092.76x = 2,888.04 × 1,161.32
  4. Step 4: Simplify right side
    2,092.76x = 3,353,938.61
  5. Step 5: Solve for x
    x = 3,353,938.61/2,092.76
  6. Step 6: Final answer
    x = 1,602.64

Related Problems

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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.