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Finding the Fourth Proportional to 32,653.76, 45,063.12 and 19,907.68

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Solution

The fourth proportional to 32,653.76, 45,063.12 and 19,907.68 is: 27,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,653.76 : 45,063.12 = 19,907.68 : x
  2. Step 2: Convert to fraction form
    32,653.76/45,063.12 = 19,907.68/x
  3. Step 3: Cross multiply
    32,653.76x = 45,063.12 × 19,907.68
  4. Step 4: Simplify right side
    32,653.76x = 897,102,172.76
  5. Step 5: Solve for x
    x = 897,102,172.76/32,653.76
  6. Step 6: Final answer
    x = 27,473.17

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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.