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Finding the Fourth Proportional to 4,673.90, 7,011.08 and 1,899.14

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Solution

The fourth proportional to 4,673.90, 7,011.08 and 1,899.14 is: 2,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.90 : 7,011.08 = 1,899.14 : x
  2. Step 2: Convert to fraction form
    4,673.90/7,011.08 = 1,899.14/x
  3. Step 3: Cross multiply
    4,673.90x = 7,011.08 × 1,899.14
  4. Step 4: Simplify right side
    4,673.90x = 13,314,977.92
  5. Step 5: Solve for x
    x = 13,314,977.92/4,673.90
  6. Step 6: Final answer
    x = 2,848.80

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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.