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Finding the Fourth Proportional to 21,545.41, 32,307.73 and 7,505.13

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Solution

The fourth proportional to 21,545.41, 32,307.73 and 7,505.13 is: 11,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.41 : 32,307.73 = 7,505.13 : x
  2. Step 2: Convert to fraction form
    21,545.41/32,307.73 = 7,505.13/x
  3. Step 3: Cross multiply
    21,545.41x = 32,307.73 × 7,505.13
  4. Step 4: Simplify right side
    21,545.41x = 242,473,713.65
  5. Step 5: Solve for x
    x = 242,473,713.65/21,545.41
  6. Step 6: Final answer
    x = 11,254.08

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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.