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Finding the Fourth Proportional to 30,547.31, 45,749.88 and 29,706.48

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Solution

The fourth proportional to 30,547.31, 45,749.88 and 29,706.48 is: 44,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.31 : 45,749.88 = 29,706.48 : x
  2. Step 2: Convert to fraction form
    30,547.31/45,749.88 = 29,706.48/x
  3. Step 3: Cross multiply
    30,547.31x = 45,749.88 × 29,706.48
  4. Step 4: Simplify right side
    30,547.31x = 1,359,067,895.22
  5. Step 5: Solve for x
    x = 1,359,067,895.22/30,547.31
  6. Step 6: Final answer
    x = 44,490.60

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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.