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Finding the Fourth Proportional to 30,386.34, 41,950.71 and 23,159.52

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Solution

The fourth proportional to 30,386.34, 41,950.71 and 23,159.52 is: 31,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.34 : 41,950.71 = 23,159.52 : x
  2. Step 2: Convert to fraction form
    30,386.34/41,950.71 = 23,159.52/x
  3. Step 3: Cross multiply
    30,386.34x = 41,950.71 × 23,159.52
  4. Step 4: Simplify right side
    30,386.34x = 971,558,307.26
  5. Step 5: Solve for x
    x = 971,558,307.26/30,386.34
  6. Step 6: Final answer
    x = 31,973.52

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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.