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Finding the Fourth Proportional to 45,118.64, 67,673.64 and 15,532.40

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Solution

The fourth proportional to 45,118.64, 67,673.64 and 15,532.40 is: 23,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,118.64 : 67,673.64 = 15,532.40 : x
  2. Step 2: Convert to fraction form
    45,118.64/67,673.64 = 15,532.40/x
  3. Step 3: Cross multiply
    45,118.64x = 67,673.64 × 15,532.40
  4. Step 4: Simplify right side
    45,118.64x = 1,051,134,045.94
  5. Step 5: Solve for x
    x = 1,051,134,045.94/45,118.64
  6. Step 6: Final answer
    x = 23,297.11

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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.