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Finding the Fourth Proportional to 4,945.29, 7,417.92 and 1,482.54

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Solution

The fourth proportional to 4,945.29, 7,417.92 and 1,482.54 is: 2,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.29 : 7,417.92 = 1,482.54 : x
  2. Step 2: Convert to fraction form
    4,945.29/7,417.92 = 1,482.54/x
  3. Step 3: Cross multiply
    4,945.29x = 7,417.92 × 1,482.54
  4. Step 4: Simplify right side
    4,945.29x = 10,997,326.03
  5. Step 5: Solve for x
    x = 10,997,326.03/4,945.29
  6. Step 6: Final answer
    x = 2,223.80

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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.