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Finding the Fourth Proportional to 3,457.99, 4,772.06 and 1,886.08

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Solution

The fourth proportional to 3,457.99, 4,772.06 and 1,886.08 is: 2,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.99 : 4,772.06 = 1,886.08 : x
  2. Step 2: Convert to fraction form
    3,457.99/4,772.06 = 1,886.08/x
  3. Step 3: Cross multiply
    3,457.99x = 4,772.06 × 1,886.08
  4. Step 4: Simplify right side
    3,457.99x = 9,000,486.92
  5. Step 5: Solve for x
    x = 9,000,486.92/3,457.99
  6. Step 6: Final answer
    x = 2,602.81

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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.