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Finding the Fourth Proportional to 9,133.22, 12,603.81 and 4,941.47

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Solution

The fourth proportional to 9,133.22, 12,603.81 and 4,941.47 is: 6,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.22 : 12,603.81 = 4,941.47 : x
  2. Step 2: Convert to fraction form
    9,133.22/12,603.81 = 4,941.47/x
  3. Step 3: Cross multiply
    9,133.22x = 12,603.81 × 4,941.47
  4. Step 4: Simplify right side
    9,133.22x = 62,281,349.00
  5. Step 5: Solve for x
    x = 62,281,349.00/9,133.22
  6. Step 6: Final answer
    x = 6,819.21

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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.