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Finding the Fourth Proportional to 15,374.85, 23,061.06 and 5,513.10

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Solution

The fourth proportional to 15,374.85, 23,061.06 and 5,513.10 is: 8,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.85 : 23,061.06 = 5,513.10 : x
  2. Step 2: Convert to fraction form
    15,374.85/23,061.06 = 5,513.10/x
  3. Step 3: Cross multiply
    15,374.85x = 23,061.06 × 5,513.10
  4. Step 4: Simplify right side
    15,374.85x = 127,137,929.89
  5. Step 5: Solve for x
    x = 127,137,929.89/15,374.85
  6. Step 6: Final answer
    x = 8,269.21

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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.