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Finding the Fourth Proportional to 4,671.63, 6,446.72 and 2,547.22

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Solution

The fourth proportional to 4,671.63, 6,446.72 and 2,547.22 is: 3,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.63 : 6,446.72 = 2,547.22 : x
  2. Step 2: Convert to fraction form
    4,671.63/6,446.72 = 2,547.22/x
  3. Step 3: Cross multiply
    4,671.63x = 6,446.72 × 2,547.22
  4. Step 4: Simplify right side
    4,671.63x = 16,421,216.46
  5. Step 5: Solve for x
    x = 16,421,216.46/4,671.63
  6. Step 6: Final answer
    x = 3,515.09

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1.5x scale

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.