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Finding the Fourth Proportional to 4,746.63, 7,120.04 and 1,630.22

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Solution

The fourth proportional to 4,746.63, 7,120.04 and 1,630.22 is: 2,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.63 : 7,120.04 = 1,630.22 : x
  2. Step 2: Convert to fraction form
    4,746.63/7,120.04 = 1,630.22/x
  3. Step 3: Cross multiply
    4,746.63x = 7,120.04 × 1,630.22
  4. Step 4: Simplify right side
    4,746.63x = 11,607,187.86
  5. Step 5: Solve for x
    x = 11,607,187.86/4,746.63
  6. Step 6: Final answer
    x = 2,445.35

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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.