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Finding the Fourth Proportional to 7,482.94, 10,325.98 and 4,125.57

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Solution

The fourth proportional to 7,482.94, 10,325.98 and 4,125.57 is: 5,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.94 : 10,325.98 = 4,125.57 : x
  2. Step 2: Convert to fraction form
    7,482.94/10,325.98 = 4,125.57/x
  3. Step 3: Cross multiply
    7,482.94x = 10,325.98 × 4,125.57
  4. Step 4: Simplify right side
    7,482.94x = 42,600,553.31
  5. Step 5: Solve for x
    x = 42,600,553.31/7,482.94
  6. Step 6: Final answer
    x = 5,693.02

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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.