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Finding the Fourth Proportional to 4,670.78, 7,009.07 and 1,751.13

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Solution

The fourth proportional to 4,670.78, 7,009.07 and 1,751.13 is: 2,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.78 : 7,009.07 = 1,751.13 : x
  2. Step 2: Convert to fraction form
    4,670.78/7,009.07 = 1,751.13/x
  3. Step 3: Cross multiply
    4,670.78x = 7,009.07 × 1,751.13
  4. Step 4: Simplify right side
    4,670.78x = 12,273,783.99
  5. Step 5: Solve for x
    x = 12,273,783.99/4,670.78
  6. Step 6: Final answer
    x = 2,627.78

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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.