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Finding the Fourth Proportional to 7,570.89, 10,447.83 and 4,258.89

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Solution

The fourth proportional to 7,570.89, 10,447.83 and 4,258.89 is: 5,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.89 : 10,447.83 = 4,258.89 : x
  2. Step 2: Convert to fraction form
    7,570.89/10,447.83 = 4,258.89/x
  3. Step 3: Cross multiply
    7,570.89x = 10,447.83 × 4,258.89
  4. Step 4: Simplify right side
    7,570.89x = 44,496,158.71
  5. Step 5: Solve for x
    x = 44,496,158.71/7,570.89
  6. Step 6: Final answer
    x = 5,877.27

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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.