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Finding the Fourth Proportional to 14,303.88, 19,736.76 and 9,005.76

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Solution

The fourth proportional to 14,303.88, 19,736.76 and 9,005.76 is: 12,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.88 : 19,736.76 = 9,005.76 : x
  2. Step 2: Convert to fraction form
    14,303.88/19,736.76 = 9,005.76/x
  3. Step 3: Cross multiply
    14,303.88x = 19,736.76 × 9,005.76
  4. Step 4: Simplify right side
    14,303.88x = 177,744,523.74
  5. Step 5: Solve for x
    x = 177,744,523.74/14,303.88
  6. Step 6: Final answer
    x = 12,426.32

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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.