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Finding the Fourth Proportional to 3,501.51, 4,832.06 and 1,929.61

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Solution

The fourth proportional to 3,501.51, 4,832.06 and 1,929.61 is: 2,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.51 : 4,832.06 = 1,929.61 : x
  2. Step 2: Convert to fraction form
    3,501.51/4,832.06 = 1,929.61/x
  3. Step 3: Cross multiply
    3,501.51x = 4,832.06 × 1,929.61
  4. Step 4: Simplify right side
    3,501.51x = 9,323,984.04
  5. Step 5: Solve for x
    x = 9,323,984.04/3,501.51
  6. Step 6: Final answer
    x = 2,662.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.