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Finding the Fourth Proportional to 45,723.40, 64,056.50 and 45,723.40

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Solution

The fourth proportional to 45,723.40, 64,056.50 and 45,723.40 is: 64,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,723.40 : 64,056.50 = 45,723.40 : x
  2. Step 2: Convert to fraction form
    45,723.40/64,056.50 = 45,723.40/x
  3. Step 3: Cross multiply
    45,723.40x = 64,056.50 × 45,723.40
  4. Step 4: Simplify right side
    45,723.40x = 2,928,880,972.10
  5. Step 5: Solve for x
    x = 2,928,880,972.10/45,723.40
  6. Step 6: Final answer
    x = 64,056.50

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.