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Finding the Fourth Proportional to 7,411.76, 10,223.76 and 4,893.88

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Solution

The fourth proportional to 7,411.76, 10,223.76 and 4,893.88 is: 6,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.76 : 10,223.76 = 4,893.88 : x
  2. Step 2: Convert to fraction form
    7,411.76/10,223.76 = 4,893.88/x
  3. Step 3: Cross multiply
    7,411.76x = 10,223.76 × 4,893.88
  4. Step 4: Simplify right side
    7,411.76x = 50,033,854.59
  5. Step 5: Solve for x
    x = 50,033,854.59/7,411.76
  6. Step 6: Final answer
    x = 6,750.60

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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.