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Finding the Fourth Proportional to 9,133.21, 12,603.81 and 4,941.46

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Solution

The fourth proportional to 9,133.21, 12,603.81 and 4,941.46 is: 6,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.21 : 12,603.81 = 4,941.46 : x
  2. Step 2: Convert to fraction form
    9,133.21/12,603.81 = 4,941.46/x
  3. Step 3: Cross multiply
    9,133.21x = 12,603.81 × 4,941.46
  4. Step 4: Simplify right side
    9,133.21x = 62,281,222.96
  5. Step 5: Solve for x
    x = 62,281,222.96/9,133.21
  6. Step 6: Final answer
    x = 6,819.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.