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Finding the Fourth Proportional to 67,880.71, 93,677.52 and 37,668.25

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Solution

The fourth proportional to 67,880.71, 93,677.52 and 37,668.25 is: 51,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880.71 : 93,677.52 = 37,668.25 : x
  2. Step 2: Convert to fraction form
    67,880.71/93,677.52 = 37,668.25/x
  3. Step 3: Cross multiply
    67,880.71x = 93,677.52 × 37,668.25
  4. Step 4: Simplify right side
    67,880.71x = 3,528,668,242.74
  5. Step 5: Solve for x
    x = 3,528,668,242.74/67,880.71
  6. Step 6: Final answer
    x = 51,983.37

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1.5x scale

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.