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Finding the Fourth Proportional to 4,482.54, 6,721.56 and 1,707.12

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Solution

The fourth proportional to 4,482.54, 6,721.56 and 1,707.12 is: 2,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.54 : 6,721.56 = 1,707.12 : x
  2. Step 2: Convert to fraction form
    4,482.54/6,721.56 = 1,707.12/x
  3. Step 3: Cross multiply
    4,482.54x = 6,721.56 × 1,707.12
  4. Step 4: Simplify right side
    4,482.54x = 11,474,509.51
  5. Step 5: Solve for x
    x = 11,474,509.51/4,482.54
  6. Step 6: Final answer
    x = 2,559.82

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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.