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Finding the Fourth Proportional to 2,403.95, 3,606.57 and 760.53

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Solution

The fourth proportional to 2,403.95, 3,606.57 and 760.53 is: 1,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.95 : 3,606.57 = 760.53 : x
  2. Step 2: Convert to fraction form
    2,403.95/3,606.57 = 760.53/x
  3. Step 3: Cross multiply
    2,403.95x = 3,606.57 × 760.53
  4. Step 4: Simplify right side
    2,403.95x = 2,742,904.68
  5. Step 5: Solve for x
    x = 2,742,904.68/2,403.95
  6. Step 6: Final answer
    x = 1,141.00

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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.