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Finding the Fourth Proportional to 3,482.99, 4,806.65 and 2,490.64

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Solution

The fourth proportional to 3,482.99, 4,806.65 and 2,490.64 is: 3,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.99 : 4,806.65 = 2,490.64 : x
  2. Step 2: Convert to fraction form
    3,482.99/4,806.65 = 2,490.64/x
  3. Step 3: Cross multiply
    3,482.99x = 4,806.65 × 2,490.64
  4. Step 4: Simplify right side
    3,482.99x = 11,971,610.29
  5. Step 5: Solve for x
    x = 11,971,610.29/3,482.99
  6. Step 6: Final answer
    x = 3,437.16

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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.