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Finding the Fourth Proportional to 10,412.34, 14,368.98 and 5,696.58

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Solution

The fourth proportional to 10,412.34, 14,368.98 and 5,696.58 is: 7,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.34 : 14,368.98 = 5,696.58 : x
  2. Step 2: Convert to fraction form
    10,412.34/14,368.98 = 5,696.58/x
  3. Step 3: Cross multiply
    10,412.34x = 14,368.98 × 5,696.58
  4. Step 4: Simplify right side
    10,412.34x = 81,854,044.09
  5. Step 5: Solve for x
    x = 81,854,044.09/10,412.34
  6. Step 6: Final answer
    x = 7,861.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.