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Finding the Fourth Proportional to 8,241.63, 12,302.50 and 7,632.51

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Solution

The fourth proportional to 8,241.63, 12,302.50 and 7,632.51 is: 11,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.63 : 12,302.50 = 7,632.51 : x
  2. Step 2: Convert to fraction form
    8,241.63/12,302.50 = 7,632.51/x
  3. Step 3: Cross multiply
    8,241.63x = 12,302.50 × 7,632.51
  4. Step 4: Simplify right side
    8,241.63x = 93,898,916.11
  5. Step 5: Solve for x
    x = 93,898,916.11/8,241.63
  6. Step 6: Final answer
    x = 11,393.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.