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Finding the Fourth Proportional to 32,866.63, 45,349.68 and 18,719.17

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Solution

The fourth proportional to 32,866.63, 45,349.68 and 18,719.17 is: 25,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,866.63 : 45,349.68 = 18,719.17 : x
  2. Step 2: Convert to fraction form
    32,866.63/45,349.68 = 18,719.17/x
  3. Step 3: Cross multiply
    32,866.63x = 45,349.68 × 18,719.17
  4. Step 4: Simplify right side
    32,866.63x = 848,908,369.37
  5. Step 5: Solve for x
    x = 848,908,369.37/32,866.63
  6. Step 6: Final answer
    x = 25,828.88

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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.