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Finding the Fourth Proportional to 32,378.94, 48,570.30 and 13,640.22

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Solution

The fourth proportional to 32,378.94, 48,570.30 and 13,640.22 is: 20,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,378.94 : 48,570.30 = 13,640.22 : x
  2. Step 2: Convert to fraction form
    32,378.94/48,570.30 = 13,640.22/x
  3. Step 3: Cross multiply
    32,378.94x = 48,570.30 × 13,640.22
  4. Step 4: Simplify right side
    32,378.94x = 662,509,577.47
  5. Step 5: Solve for x
    x = 662,509,577.47/32,378.94
  6. Step 6: Final answer
    x = 20,461.13

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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.