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Finding the Fourth Proportional to 14,005.92, 19,323.12 and 8,698.08

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Solution

The fourth proportional to 14,005.92, 19,323.12 and 8,698.08 is: 12,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.92 : 19,323.12 = 8,698.08 : x
  2. Step 2: Convert to fraction form
    14,005.92/19,323.12 = 8,698.08/x
  3. Step 3: Cross multiply
    14,005.92x = 19,323.12 × 8,698.08
  4. Step 4: Simplify right side
    14,005.92x = 168,074,043.61
  5. Step 5: Solve for x
    x = 168,074,043.61/14,005.92
  6. Step 6: Final answer
    x = 12,000.21

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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.