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Finding the Fourth Proportional to 19,348.91, 26,701.80 and 10,852.92

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Solution

The fourth proportional to 19,348.91, 26,701.80 and 10,852.92 is: 14,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.91 : 26,701.80 = 10,852.92 : x
  2. Step 2: Convert to fraction form
    19,348.91/26,701.80 = 10,852.92/x
  3. Step 3: Cross multiply
    19,348.91x = 26,701.80 × 10,852.92
  4. Step 4: Simplify right side
    19,348.91x = 289,792,499.26
  5. Step 5: Solve for x
    x = 289,792,499.26/19,348.91
  6. Step 6: Final answer
    x = 14,977.20

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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.