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Finding the Fourth Proportional to 2,973.36, 4,460.30 and 893.22

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Solution

The fourth proportional to 2,973.36, 4,460.30 and 893.22 is: 1,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.36 : 4,460.30 = 893.22 : x
  2. Step 2: Convert to fraction form
    2,973.36/4,460.30 = 893.22/x
  3. Step 3: Cross multiply
    2,973.36x = 4,460.30 × 893.22
  4. Step 4: Simplify right side
    2,973.36x = 3,984,024.70
  5. Step 5: Solve for x
    x = 3,984,024.70/2,973.36
  6. Step 6: Final answer
    x = 1,339.91

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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.