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Finding the Fourth Proportional to 8,047.53, 12,044.30 and 7,740.81

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Solution

The fourth proportional to 8,047.53, 12,044.30 and 7,740.81 is: 11,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.53 : 12,044.30 = 7,740.81 : x
  2. Step 2: Convert to fraction form
    8,047.53/12,044.30 = 7,740.81/x
  3. Step 3: Cross multiply
    8,047.53x = 12,044.30 × 7,740.81
  4. Step 4: Simplify right side
    8,047.53x = 93,232,599.18
  5. Step 5: Solve for x
    x = 93,232,599.18/8,047.53
  6. Step 6: Final answer
    x = 11,585.24

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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.