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Finding the Fourth Proportional to 46,671.39, 64,405.53 and 25,450.20

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Solution

The fourth proportional to 46,671.39, 64,405.53 and 25,450.20 is: 35,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,671.39 : 64,405.53 = 25,450.20 : x
  2. Step 2: Convert to fraction form
    46,671.39/64,405.53 = 25,450.20/x
  3. Step 3: Cross multiply
    46,671.39x = 64,405.53 × 25,450.20
  4. Step 4: Simplify right side
    46,671.39x = 1,639,133,619.61
  5. Step 5: Solve for x
    x = 1,639,133,619.61/46,671.39
  6. Step 6: Final answer
    x = 35,120.74

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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.