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Finding the Fourth Proportional to 30,545.40, 45,807.30 and 10,824.60

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Solution

The fourth proportional to 30,545.40, 45,807.30 and 10,824.60 is: 16,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.40 : 45,807.30 = 10,824.60 : x
  2. Step 2: Convert to fraction form
    30,545.40/45,807.30 = 10,824.60/x
  3. Step 3: Cross multiply
    30,545.40x = 45,807.30 × 10,824.60
  4. Step 4: Simplify right side
    30,545.40x = 495,845,699.58
  5. Step 5: Solve for x
    x = 495,845,699.58/30,545.40
  6. Step 6: Final answer
    x = 16,233.07

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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.