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Finding the Fourth Proportional to 3,066.07, 4,599.00 and 874.80

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Solution

The fourth proportional to 3,066.07, 4,599.00 and 874.80 is: 1,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.07 : 4,599.00 = 874.80 : x
  2. Step 2: Convert to fraction form
    3,066.07/4,599.00 = 874.80/x
  3. Step 3: Cross multiply
    3,066.07x = 4,599.00 × 874.80
  4. Step 4: Simplify right side
    3,066.07x = 4,023,207.66
  5. Step 5: Solve for x
    x = 4,023,207.66/3,066.07
  6. Step 6: Final answer
    x = 1,312.17

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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.