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Finding the Fourth Proportional to 9,921.01, 14,881.38 and 2,995.51

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Solution

The fourth proportional to 9,921.01, 14,881.38 and 2,995.51 is: 4,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.01 : 14,881.38 = 2,995.51 : x
  2. Step 2: Convert to fraction form
    9,921.01/14,881.38 = 2,995.51/x
  3. Step 3: Cross multiply
    9,921.01x = 14,881.38 × 2,995.51
  4. Step 4: Simplify right side
    9,921.01x = 44,577,322.60
  5. Step 5: Solve for x
    x = 44,577,322.60/9,921.01
  6. Step 6: Final answer
    x = 4,493.22

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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.