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Finding the Fourth Proportional to 7,385.99, 10,193.99 and 4,402.02

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Solution

The fourth proportional to 7,385.99, 10,193.99 and 4,402.02 is: 6,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.99 : 10,193.99 = 4,402.02 : x
  2. Step 2: Convert to fraction form
    7,385.99/10,193.99 = 4,402.02/x
  3. Step 3: Cross multiply
    7,385.99x = 10,193.99 × 4,402.02
  4. Step 4: Simplify right side
    7,385.99x = 44,874,074.88
  5. Step 5: Solve for x
    x = 44,874,074.88/7,385.99
  6. Step 6: Final answer
    x = 6,075.57

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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.