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Finding the Fourth Proportional to 34,328.80, 51,406.80 and 22,578.40

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Solution

The fourth proportional to 34,328.80, 51,406.80 and 22,578.40 is: 33,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,328.80 : 51,406.80 = 22,578.40 : x
  2. Step 2: Convert to fraction form
    34,328.80/51,406.80 = 22,578.40/x
  3. Step 3: Cross multiply
    34,328.80x = 51,406.80 × 22,578.40
  4. Step 4: Simplify right side
    34,328.80x = 1,160,683,293.12
  5. Step 5: Solve for x
    x = 1,160,683,293.12/34,328.80
  6. Step 6: Final answer
    x = 33,810.77

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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.