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Finding the Fourth Proportional to 30,683.44, 45,801.16 and 26,328.88

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Solution

The fourth proportional to 30,683.44, 45,801.16 and 26,328.88 is: 39,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.44 : 45,801.16 = 26,328.88 : x
  2. Step 2: Convert to fraction form
    30,683.44/45,801.16 = 26,328.88/x
  3. Step 3: Cross multiply
    30,683.44x = 45,801.16 × 26,328.88
  4. Step 4: Simplify right side
    30,683.44x = 1,205,893,245.50
  5. Step 5: Solve for x
    x = 1,205,893,245.50/30,683.44
  6. Step 6: Final answer
    x = 39,301.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.