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Finding the Fourth Proportional to 1,774.63, 2,447.17 and 1,526.77

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Solution

The fourth proportional to 1,774.63, 2,447.17 and 1,526.77 is: 2,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.63 : 2,447.17 = 1,526.77 : x
  2. Step 2: Convert to fraction form
    1,774.63/2,447.17 = 1,526.77/x
  3. Step 3: Cross multiply
    1,774.63x = 2,447.17 × 1,526.77
  4. Step 4: Simplify right side
    1,774.63x = 3,736,265.74
  5. Step 5: Solve for x
    x = 3,736,265.74/1,774.63
  6. Step 6: Final answer
    x = 2,105.38

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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.