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Finding the Fourth Proportional to 14,762.48, 22,139.40 and 5,526.32

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Solution

The fourth proportional to 14,762.48, 22,139.40 and 5,526.32 is: 8,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.48 : 22,139.40 = 5,526.32 : x
  2. Step 2: Convert to fraction form
    14,762.48/22,139.40 = 5,526.32/x
  3. Step 3: Cross multiply
    14,762.48x = 22,139.40 × 5,526.32
  4. Step 4: Simplify right side
    14,762.48x = 122,349,409.01
  5. Step 5: Solve for x
    x = 122,349,409.01/14,762.48
  6. Step 6: Final answer
    x = 8,287.86

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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.