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Finding the Fourth Proportional to 4,955.63, 6,841.92 and 4,423.58

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Solution

The fourth proportional to 4,955.63, 6,841.92 and 4,423.58 is: 6,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.63 : 6,841.92 = 4,423.58 : x
  2. Step 2: Convert to fraction form
    4,955.63/6,841.92 = 4,423.58/x
  3. Step 3: Cross multiply
    4,955.63x = 6,841.92 × 4,423.58
  4. Step 4: Simplify right side
    4,955.63x = 30,265,746.26
  5. Step 5: Solve for x
    x = 30,265,746.26/4,955.63
  6. Step 6: Final answer
    x = 6,107.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.