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Finding the Fourth Proportional to 19,258.88, 28,866.18 and 8,848.76

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Solution

The fourth proportional to 19,258.88, 28,866.18 and 8,848.76 is: 13,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.88 : 28,866.18 = 8,848.76 : x
  2. Step 2: Convert to fraction form
    19,258.88/28,866.18 = 8,848.76/x
  3. Step 3: Cross multiply
    19,258.88x = 28,866.18 × 8,848.76
  4. Step 4: Simplify right side
    19,258.88x = 255,429,898.94
  5. Step 5: Solve for x
    x = 255,429,898.94/19,258.88
  6. Step 6: Final answer
    x = 13,262.97

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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.