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Finding the Fourth Proportional to 2,348.66, 3,522.69 and 887.63

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Solution

The fourth proportional to 2,348.66, 3,522.69 and 887.63 is: 1,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.66 : 3,522.69 = 887.63 : x
  2. Step 2: Convert to fraction form
    2,348.66/3,522.69 = 887.63/x
  3. Step 3: Cross multiply
    2,348.66x = 3,522.69 × 887.63
  4. Step 4: Simplify right side
    2,348.66x = 3,126,827.71
  5. Step 5: Solve for x
    x = 3,126,827.71/2,348.66
  6. Step 6: Final answer
    x = 1,331.32

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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.