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Finding the Fourth Proportional to 36,728.73, 55,093.14 and 10,430.10

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Solution

The fourth proportional to 36,728.73, 55,093.14 and 10,430.10 is: 15,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,728.73 : 55,093.14 = 10,430.10 : x
  2. Step 2: Convert to fraction form
    36,728.73/55,093.14 = 10,430.10/x
  3. Step 3: Cross multiply
    36,728.73x = 55,093.14 × 10,430.10
  4. Step 4: Simplify right side
    36,728.73x = 574,626,959.51
  5. Step 5: Solve for x
    x = 574,626,959.51/36,728.73
  6. Step 6: Final answer
    x = 15,645.16

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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.