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Finding the Fourth Proportional to 2,527.99, 3,792.00 and 772.99

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Solution

The fourth proportional to 2,527.99, 3,792.00 and 772.99 is: 1,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.99 : 3,792.00 = 772.99 : x
  2. Step 2: Convert to fraction form
    2,527.99/3,792.00 = 772.99/x
  3. Step 3: Cross multiply
    2,527.99x = 3,792.00 × 772.99
  4. Step 4: Simplify right side
    2,527.99x = 2,931,171.40
  5. Step 5: Solve for x
    x = 2,931,171.40/2,527.99
  6. Step 6: Final answer
    x = 1,159.49

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Double scale
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Similar ratio
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1.5x scale

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.