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Finding the Fourth Proportional to 3,501.99, 4,822.98 and 2,907.06

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Solution

The fourth proportional to 3,501.99, 4,822.98 and 2,907.06 is: 4,003.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.99 : 4,822.98 = 2,907.06 : x
  2. Step 2: Convert to fraction form
    3,501.99/4,822.98 = 2,907.06/x
  3. Step 3: Cross multiply
    3,501.99x = 4,822.98 × 2,907.06
  4. Step 4: Simplify right side
    3,501.99x = 14,020,692.24
  5. Step 5: Solve for x
    x = 14,020,692.24/3,501.99
  6. Step 6: Final answer
    x = 4,003.64

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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.