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Finding the Fourth Proportional to 8,904.08, 13,258.52 and 8,588.76

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Solution

The fourth proportional to 8,904.08, 13,258.52 and 8,588.76 is: 12,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.08 : 13,258.52 = 8,588.76 : x
  2. Step 2: Convert to fraction form
    8,904.08/13,258.52 = 8,588.76/x
  3. Step 3: Cross multiply
    8,904.08x = 13,258.52 × 8,588.76
  4. Step 4: Simplify right side
    8,904.08x = 113,874,203.29
  5. Step 5: Solve for x
    x = 113,874,203.29/8,904.08
  6. Step 6: Final answer
    x = 12,789.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.