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Finding the Fourth Proportional to 7,401.83, 11,075.54 and 7,001.08

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Solution

The fourth proportional to 7,401.83, 11,075.54 and 7,001.08 is: 10,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.83 : 11,075.54 = 7,001.08 : x
  2. Step 2: Convert to fraction form
    7,401.83/11,075.54 = 7,001.08/x
  3. Step 3: Cross multiply
    7,401.83x = 11,075.54 × 7,001.08
  4. Step 4: Simplify right side
    7,401.83x = 77,540,741.58
  5. Step 5: Solve for x
    x = 77,540,741.58/7,401.83
  6. Step 6: Final answer
    x = 10,475.89

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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.