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Finding the Fourth Proportional to 6,015.90, 9,011.70 and 4,922.40

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Solution

The fourth proportional to 6,015.90, 9,011.70 and 4,922.40 is: 7,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,015.90 : 9,011.70 = 4,922.40 : x
  2. Step 2: Convert to fraction form
    6,015.90/9,011.70 = 4,922.40/x
  3. Step 3: Cross multiply
    6,015.90x = 9,011.70 × 4,922.40
  4. Step 4: Simplify right side
    6,015.90x = 44,359,192.08
  5. Step 5: Solve for x
    x = 44,359,192.08/6,015.90
  6. Step 6: Final answer
    x = 7,373.66

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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.