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Finding the Fourth Proportional to 67,595.64, 93,288.99 and 38,916.33

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Solution

The fourth proportional to 67,595.64, 93,288.99 and 38,916.33 is: 53,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,595.64 : 93,288.99 = 38,916.33 : x
  2. Step 2: Convert to fraction form
    67,595.64/93,288.99 = 38,916.33/x
  3. Step 3: Cross multiply
    67,595.64x = 93,288.99 × 38,916.33
  4. Step 4: Simplify right side
    67,595.64x = 3,630,465,120.21
  5. Step 5: Solve for x
    x = 3,630,465,120.21/67,595.64
  6. Step 6: Final answer
    x = 53,708.57

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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.