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Finding the Fourth Proportional to 2,785.58, 3,844.04 and 1,526.63

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Solution

The fourth proportional to 2,785.58, 3,844.04 and 1,526.63 is: 2,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.58 : 3,844.04 = 1,526.63 : x
  2. Step 2: Convert to fraction form
    2,785.58/3,844.04 = 1,526.63/x
  3. Step 3: Cross multiply
    2,785.58x = 3,844.04 × 1,526.63
  4. Step 4: Simplify right side
    2,785.58x = 5,868,440.21
  5. Step 5: Solve for x
    x = 5,868,440.21/2,785.58
  6. Step 6: Final answer
    x = 2,106.72

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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.