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Finding the Fourth Proportional to 14,668.32, 21,988.32 and 4,800.72

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Solution

The fourth proportional to 14,668.32, 21,988.32 and 4,800.72 is: 7,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.32 : 21,988.32 = 4,800.72 : x
  2. Step 2: Convert to fraction form
    14,668.32/21,988.32 = 4,800.72/x
  3. Step 3: Cross multiply
    14,668.32x = 21,988.32 × 4,800.72
  4. Step 4: Simplify right side
    14,668.32x = 105,559,767.59
  5. Step 5: Solve for x
    x = 105,559,767.59/14,668.32
  6. Step 6: Final answer
    x = 7,196.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.