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Finding the Fourth Proportional to 4,699.08, 7,048.62 and 1,578.84

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Solution

The fourth proportional to 4,699.08, 7,048.62 and 1,578.84 is: 2,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.08 : 7,048.62 = 1,578.84 : x
  2. Step 2: Convert to fraction form
    4,699.08/7,048.62 = 1,578.84/x
  3. Step 3: Cross multiply
    4,699.08x = 7,048.62 × 1,578.84
  4. Step 4: Simplify right side
    4,699.08x = 11,128,643.20
  5. Step 5: Solve for x
    x = 11,128,643.20/4,699.08
  6. Step 6: Final answer
    x = 2,368.26

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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.