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Finding the Fourth Proportional to 37,477.60, 51,719.10 and 20,710.60

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Solution

The fourth proportional to 37,477.60, 51,719.10 and 20,710.60 is: 28,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,477.60 : 51,719.10 = 20,710.60 : x
  2. Step 2: Convert to fraction form
    37,477.60/51,719.10 = 20,710.60/x
  3. Step 3: Cross multiply
    37,477.60x = 51,719.10 × 20,710.60
  4. Step 4: Simplify right side
    37,477.60x = 1,071,133,592.46
  5. Step 5: Solve for x
    x = 1,071,133,592.46/37,477.60
  6. Step 6: Final answer
    x = 28,580.63

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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.