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Finding the Fourth Proportional to 8,411.51, 12,602.90 and 5,941.56

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Solution

The fourth proportional to 8,411.51, 12,602.90 and 5,941.56 is: 8,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.51 : 12,602.90 = 5,941.56 : x
  2. Step 2: Convert to fraction form
    8,411.51/12,602.90 = 5,941.56/x
  3. Step 3: Cross multiply
    8,411.51x = 12,602.90 × 5,941.56
  4. Step 4: Simplify right side
    8,411.51x = 74,880,948.64
  5. Step 5: Solve for x
    x = 74,880,948.64/8,411.51
  6. Step 6: Final answer
    x = 8,902.20

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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.