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Finding the Fourth Proportional to 2,335.41, 3,503.84 and 874.71

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Solution

The fourth proportional to 2,335.41, 3,503.84 and 874.71 is: 1,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.41 : 3,503.84 = 874.71 : x
  2. Step 2: Convert to fraction form
    2,335.41/3,503.84 = 874.71/x
  3. Step 3: Cross multiply
    2,335.41x = 3,503.84 × 874.71
  4. Step 4: Simplify right side
    2,335.41x = 3,064,839.51
  5. Step 5: Solve for x
    x = 3,064,839.51/2,335.41
  6. Step 6: Final answer
    x = 1,312.33

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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.