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Finding the Fourth Proportional to 9,258.94, 13,889.16 and 3,018.84

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Solution

The fourth proportional to 9,258.94, 13,889.16 and 3,018.84 is: 4,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.94 : 13,889.16 = 3,018.84 : x
  2. Step 2: Convert to fraction form
    9,258.94/13,889.16 = 3,018.84/x
  3. Step 3: Cross multiply
    9,258.94x = 13,889.16 × 3,018.84
  4. Step 4: Simplify right side
    9,258.94x = 41,929,151.77
  5. Step 5: Solve for x
    x = 41,929,151.77/9,258.94
  6. Step 6: Final answer
    x = 4,528.50

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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.