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Finding the Fourth Proportional to 5,009.48, 7,514.22 and 1,888.64

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Solution

The fourth proportional to 5,009.48, 7,514.22 and 1,888.64 is: 2,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.48 : 7,514.22 = 1,888.64 : x
  2. Step 2: Convert to fraction form
    5,009.48/7,514.22 = 1,888.64/x
  3. Step 3: Cross multiply
    5,009.48x = 7,514.22 × 1,888.64
  4. Step 4: Simplify right side
    5,009.48x = 14,191,656.46
  5. Step 5: Solve for x
    x = 14,191,656.46/5,009.48
  6. Step 6: Final answer
    x = 2,832.96

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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.