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Finding the Fourth Proportional to 8,361.46, 12,561.63 and 4,901.14

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Solution

The fourth proportional to 8,361.46, 12,561.63 and 4,901.14 is: 7,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.46 : 12,561.63 = 4,901.14 : x
  2. Step 2: Convert to fraction form
    8,361.46/12,561.63 = 4,901.14/x
  3. Step 3: Cross multiply
    8,361.46x = 12,561.63 × 4,901.14
  4. Step 4: Simplify right side
    8,361.46x = 61,566,307.26
  5. Step 5: Solve for x
    x = 61,566,307.26/8,361.46
  6. Step 6: Final answer
    x = 7,363.10

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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.