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Finding the Fourth Proportional to 2,756.55, 3,803.95 and 1,497.56

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Solution

The fourth proportional to 2,756.55, 3,803.95 and 1,497.56 is: 2,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.55 : 3,803.95 = 1,497.56 : x
  2. Step 2: Convert to fraction form
    2,756.55/3,803.95 = 1,497.56/x
  3. Step 3: Cross multiply
    2,756.55x = 3,803.95 × 1,497.56
  4. Step 4: Simplify right side
    2,756.55x = 5,696,643.36
  5. Step 5: Solve for x
    x = 5,696,643.36/2,756.55
  6. Step 6: Final answer
    x = 2,066.58

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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.