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Finding the Fourth Proportional to 10,673.80, 16,017.90 and 4,827.40

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Solution

The fourth proportional to 10,673.80, 16,017.90 and 4,827.40 is: 7,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673.80 : 16,017.90 = 4,827.40 : x
  2. Step 2: Convert to fraction form
    10,673.80/16,017.90 = 4,827.40/x
  3. Step 3: Cross multiply
    10,673.80x = 16,017.90 × 4,827.40
  4. Step 4: Simplify right side
    10,673.80x = 77,324,810.46
  5. Step 5: Solve for x
    x = 77,324,810.46/10,673.80
  6. Step 6: Final answer
    x = 7,244.36

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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.