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Finding the Fourth Proportional to 7,671.51, 11,506.73 and 4,374.27

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Solution

The fourth proportional to 7,671.51, 11,506.73 and 4,374.27 is: 6,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.51 : 11,506.73 = 4,374.27 : x
  2. Step 2: Convert to fraction form
    7,671.51/11,506.73 = 4,374.27/x
  3. Step 3: Cross multiply
    7,671.51x = 11,506.73 × 4,374.27
  4. Step 4: Simplify right side
    7,671.51x = 50,333,521.97
  5. Step 5: Solve for x
    x = 50,333,521.97/7,671.51
  6. Step 6: Final answer
    x = 6,561.10

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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.