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Finding the Fourth Proportional to 67,695.42, 93,416.64 and 37,478.62

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Solution

The fourth proportional to 67,695.42, 93,416.64 and 37,478.62 is: 51,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,695.42 : 93,416.64 = 37,478.62 : x
  2. Step 2: Convert to fraction form
    67,695.42/93,416.64 = 37,478.62/x
  3. Step 3: Cross multiply
    67,695.42x = 93,416.64 × 37,478.62
  4. Step 4: Simplify right side
    67,695.42x = 3,501,126,752.24
  5. Step 5: Solve for x
    x = 3,501,126,752.24/67,695.42
  6. Step 6: Final answer
    x = 51,718.81

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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.