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Finding the Fourth Proportional to 14,690.72, 22,039.72 and 4,302.47

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Solution

The fourth proportional to 14,690.72, 22,039.72 and 4,302.47 is: 6,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.72 : 22,039.72 = 4,302.47 : x
  2. Step 2: Convert to fraction form
    14,690.72/22,039.72 = 4,302.47/x
  3. Step 3: Cross multiply
    14,690.72x = 22,039.72 × 4,302.47
  4. Step 4: Simplify right side
    14,690.72x = 94,825,166.58
  5. Step 5: Solve for x
    x = 94,825,166.58/14,690.72
  6. Step 6: Final answer
    x = 6,454.77

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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.