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Finding the Fourth Proportional to 67,445.99, 93,074.94 and 37,231.32

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Solution

The fourth proportional to 67,445.99, 93,074.94 and 37,231.32 is: 51,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,445.99 : 93,074.94 = 37,231.32 : x
  2. Step 2: Convert to fraction form
    67,445.99/93,074.94 = 37,231.32/x
  3. Step 3: Cross multiply
    67,445.99x = 93,074.94 × 37,231.32
  4. Step 4: Simplify right side
    67,445.99x = 3,465,302,875.12
  5. Step 5: Solve for x
    x = 3,465,302,875.12/67,445.99
  6. Step 6: Final answer
    x = 51,378.93

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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.