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Finding the Fourth Proportional to 7,512.94, 10,368.24 and 4,326.72

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Solution

The fourth proportional to 7,512.94, 10,368.24 and 4,326.72 is: 5,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.94 : 10,368.24 = 4,326.72 : x
  2. Step 2: Convert to fraction form
    7,512.94/10,368.24 = 4,326.72/x
  3. Step 3: Cross multiply
    7,512.94x = 10,368.24 × 4,326.72
  4. Step 4: Simplify right side
    7,512.94x = 44,860,471.37
  5. Step 5: Solve for x
    x = 44,860,471.37/7,512.94
  6. Step 6: Final answer
    x = 5,971.09

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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.