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Finding the Fourth Proportional to 2,353.76, 3,507.28 and 2,095.28

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Solution

The fourth proportional to 2,353.76, 3,507.28 and 2,095.28 is: 3,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.76 : 3,507.28 = 2,095.28 : x
  2. Step 2: Convert to fraction form
    2,353.76/3,507.28 = 2,095.28/x
  3. Step 3: Cross multiply
    2,353.76x = 3,507.28 × 2,095.28
  4. Step 4: Simplify right side
    2,353.76x = 7,348,733.64
  5. Step 5: Solve for x
    x = 7,348,733.64/2,353.76
  6. Step 6: Final answer
    x = 3,122.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.