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Finding the Fourth Proportional to 32,740.59, 45,187.50 and 19,315.18

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Solution

The fourth proportional to 32,740.59, 45,187.50 and 19,315.18 is: 26,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,740.59 : 45,187.50 = 19,315.18 : x
  2. Step 2: Convert to fraction form
    32,740.59/45,187.50 = 19,315.18/x
  3. Step 3: Cross multiply
    32,740.59x = 45,187.50 × 19,315.18
  4. Step 4: Simplify right side
    32,740.59x = 872,804,696.25
  5. Step 5: Solve for x
    x = 872,804,696.25/32,740.59
  6. Step 6: Final answer
    x = 26,658.18

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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.