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Finding the Fourth Proportional to 45,973.68, 68,965.92 and 16,395.72

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Solution

The fourth proportional to 45,973.68, 68,965.92 and 16,395.72 is: 24,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,973.68 : 68,965.92 = 16,395.72 : x
  2. Step 2: Convert to fraction form
    45,973.68/68,965.92 = 16,395.72/x
  3. Step 3: Cross multiply
    45,973.68x = 68,965.92 × 16,395.72
  4. Step 4: Simplify right side
    45,973.68x = 1,130,745,913.86
  5. Step 5: Solve for x
    x = 1,130,745,913.86/45,973.68
  6. Step 6: Final answer
    x = 24,595.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.