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Finding the Fourth Proportional to 1,746.13, 2,619.62 and 576.16

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Solution

The fourth proportional to 1,746.13, 2,619.62 and 576.16 is: 864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.13 : 2,619.62 = 576.16 : x
  2. Step 2: Convert to fraction form
    1,746.13/2,619.62 = 576.16/x
  3. Step 3: Cross multiply
    1,746.13x = 2,619.62 × 576.16
  4. Step 4: Simplify right side
    1,746.13x = 1,509,320.26
  5. Step 5: Solve for x
    x = 1,509,320.26/1,746.13
  6. Step 6: Final answer
    x = 864.38

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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.