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Finding the Fourth Proportional to 32,706.25, 45,140.51 and 19,276.72

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Solution

The fourth proportional to 32,706.25, 45,140.51 and 19,276.72 is: 26,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,706.25 : 45,140.51 = 19,276.72 : x
  2. Step 2: Convert to fraction form
    32,706.25/45,140.51 = 19,276.72/x
  3. Step 3: Cross multiply
    32,706.25x = 45,140.51 × 19,276.72
  4. Step 4: Simplify right side
    32,706.25x = 870,160,907.27
  5. Step 5: Solve for x
    x = 870,160,907.27/32,706.25
  6. Step 6: Final answer
    x = 26,605.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.