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Finding the Fourth Proportional to 1,931.59, 2,895.76 and 760.94

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Solution

The fourth proportional to 1,931.59, 2,895.76 and 760.94 is: 1,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.59 : 2,895.76 = 760.94 : x
  2. Step 2: Convert to fraction form
    1,931.59/2,895.76 = 760.94/x
  3. Step 3: Cross multiply
    1,931.59x = 2,895.76 × 760.94
  4. Step 4: Simplify right side
    1,931.59x = 2,203,499.61
  5. Step 5: Solve for x
    x = 2,203,499.61/1,931.59
  6. Step 6: Final answer
    x = 1,140.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.