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Finding the Fourth Proportional to 7,258.81, 10,019.29 and 4,741.30

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Solution

The fourth proportional to 7,258.81, 10,019.29 and 4,741.30 is: 6,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.81 : 10,019.29 = 4,741.30 : x
  2. Step 2: Convert to fraction form
    7,258.81/10,019.29 = 4,741.30/x
  3. Step 3: Cross multiply
    7,258.81x = 10,019.29 × 4,741.30
  4. Step 4: Simplify right side
    7,258.81x = 47,504,422.78
  5. Step 5: Solve for x
    x = 47,504,422.78/7,258.81
  6. Step 6: Final answer
    x = 6,544.38

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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.