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Finding the Fourth Proportional to 7,473.50, 10,314.42 and 4,828.60

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Solution

The fourth proportional to 7,473.50, 10,314.42 and 4,828.60 is: 6,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.50 : 10,314.42 = 4,828.60 : x
  2. Step 2: Convert to fraction form
    7,473.50/10,314.42 = 4,828.60/x
  3. Step 3: Cross multiply
    7,473.50x = 10,314.42 × 4,828.60
  4. Step 4: Simplify right side
    7,473.50x = 49,804,156.84
  5. Step 5: Solve for x
    x = 49,804,156.84/7,473.50
  6. Step 6: Final answer
    x = 6,664.10

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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.