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Finding the Fourth Proportional to 3,526.77, 4,867.20 and 1,955.10

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Solution

The fourth proportional to 3,526.77, 4,867.20 and 1,955.10 is: 2,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.77 : 4,867.20 = 1,955.10 : x
  2. Step 2: Convert to fraction form
    3,526.77/4,867.20 = 1,955.10/x
  3. Step 3: Cross multiply
    3,526.77x = 4,867.20 × 1,955.10
  4. Step 4: Simplify right side
    3,526.77x = 9,515,862.72
  5. Step 5: Solve for x
    x = 9,515,862.72/3,526.77
  6. Step 6: Final answer
    x = 2,698.18

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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.