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Finding the Fourth Proportional to 67,636.94, 93,332.84 and 38,948.99

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Solution

The fourth proportional to 67,636.94, 93,332.84 and 38,948.99 is: 53,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,636.94 : 93,332.84 = 38,948.99 : x
  2. Step 2: Convert to fraction form
    67,636.94/93,332.84 = 38,948.99/x
  3. Step 3: Cross multiply
    67,636.94x = 93,332.84 × 38,948.99
  4. Step 4: Simplify right side
    67,636.94x = 3,635,219,190.42
  5. Step 5: Solve for x
    x = 3,635,219,190.42/67,636.94
  6. Step 6: Final answer
    x = 53,746.07

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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.