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Finding the Fourth Proportional to 57,707.94, 79,574.19 and 37,527.40

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Solution

The fourth proportional to 57,707.94, 79,574.19 and 37,527.40 is: 51,746.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,707.94 : 79,574.19 = 37,527.40 : x
  2. Step 2: Convert to fraction form
    57,707.94/79,574.19 = 37,527.40/x
  3. Step 3: Cross multiply
    57,707.94x = 79,574.19 × 37,527.40
  4. Step 4: Simplify right side
    57,707.94x = 2,986,212,457.81
  5. Step 5: Solve for x
    x = 2,986,212,457.81/57,707.94
  6. Step 6: Final answer
    x = 51,746.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.