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Finding the Fourth Proportional to 4,643.01, 6,407.19 and 2,547

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Solution

The fourth proportional to 4,643.01, 6,407.19 and 2,547 is: 3,514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.01 : 6,407.19 = 2,547 : x
  2. Step 2: Convert to fraction form
    4,643.01/6,407.19 = 2,547/x
  3. Step 3: Cross multiply
    4,643.01x = 6,407.19 × 2,547
  4. Step 4: Simplify right side
    4,643.01x = 16,319,112.93
  5. Step 5: Solve for x
    x = 16,319,112.93/4,643.01
  6. Step 6: Final answer
    x = 3,514.77

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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.