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Finding the Fourth Proportional to 7,500.01, 11,239.06 and 4,219.51

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Solution

The fourth proportional to 7,500.01, 11,239.06 and 4,219.51 is: 6,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.01 : 11,239.06 = 4,219.51 : x
  2. Step 2: Convert to fraction form
    7,500.01/11,239.06 = 4,219.51/x
  3. Step 3: Cross multiply
    7,500.01x = 11,239.06 × 4,219.51
  4. Step 4: Simplify right side
    7,500.01x = 47,423,326.06
  5. Step 5: Solve for x
    x = 47,423,326.06/7,500.01
  6. Step 6: Final answer
    x = 6,323.10

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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.