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Finding the Fourth Proportional to 67,871.60, 93,674.06 and 37,666.63

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Solution

The fourth proportional to 67,871.60, 93,674.06 and 37,666.63 is: 51,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871.60 : 93,674.06 = 37,666.63 : x
  2. Step 2: Convert to fraction form
    67,871.60/93,674.06 = 37,666.63/x
  3. Step 3: Cross multiply
    67,871.60x = 93,674.06 × 37,666.63
  4. Step 4: Simplify right side
    67,871.60x = 3,528,386,158.62
  5. Step 5: Solve for x
    x = 3,528,386,158.62/67,871.60
  6. Step 6: Final answer
    x = 51,986.19

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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.