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Finding the Fourth Proportional to 32,293.94, 48,443.72 and 8,920.40

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Solution

The fourth proportional to 32,293.94, 48,443.72 and 8,920.40 is: 13,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,293.94 : 48,443.72 = 8,920.40 : x
  2. Step 2: Convert to fraction form
    32,293.94/48,443.72 = 8,920.40/x
  3. Step 3: Cross multiply
    32,293.94x = 48,443.72 × 8,920.40
  4. Step 4: Simplify right side
    32,293.94x = 432,137,073.07
  5. Step 5: Solve for x
    x = 432,137,073.07/32,293.94
  6. Step 6: Final answer
    x = 13,381.37

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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.