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Finding the Fourth Proportional to 5,694.51, 8,547.10 and 3,507.51

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Solution

The fourth proportional to 5,694.51, 8,547.10 and 3,507.51 is: 5,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.51 : 8,547.10 = 3,507.51 : x
  2. Step 2: Convert to fraction form
    5,694.51/8,547.10 = 3,507.51/x
  3. Step 3: Cross multiply
    5,694.51x = 8,547.10 × 3,507.51
  4. Step 4: Simplify right side
    5,694.51x = 29,979,038.72
  5. Step 5: Solve for x
    x = 29,979,038.72/5,694.51
  6. Step 6: Final answer
    x = 5,264.55

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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.