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Finding the Fourth Proportional to 27,312.94, 40,969.52 and 9,543.52

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Solution

The fourth proportional to 27,312.94, 40,969.52 and 9,543.52 is: 14,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.94 : 40,969.52 = 9,543.52 : x
  2. Step 2: Convert to fraction form
    27,312.94/40,969.52 = 9,543.52/x
  3. Step 3: Cross multiply
    27,312.94x = 40,969.52 × 9,543.52
  4. Step 4: Simplify right side
    27,312.94x = 390,993,433.51
  5. Step 5: Solve for x
    x = 390,993,433.51/27,312.94
  6. Step 6: Final answer
    x = 14,315.32

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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.