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Finding the Fourth Proportional to 5,911.76, 8,841.47 and 5,258.25

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Solution

The fourth proportional to 5,911.76, 8,841.47 and 5,258.25 is: 7,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.76 : 8,841.47 = 5,258.25 : x
  2. Step 2: Convert to fraction form
    5,911.76/8,841.47 = 5,258.25/x
  3. Step 3: Cross multiply
    5,911.76x = 8,841.47 × 5,258.25
  4. Step 4: Simplify right side
    5,911.76x = 46,490,659.63
  5. Step 5: Solve for x
    x = 46,490,659.63/5,911.76
  6. Step 6: Final answer
    x = 7,864.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.