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Finding the Fourth Proportional to 32,857.66, 45,343.53 and 18,710.50

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Solution

The fourth proportional to 32,857.66, 45,343.53 and 18,710.50 is: 25,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,857.66 : 45,343.53 = 18,710.50 : x
  2. Step 2: Convert to fraction form
    32,857.66/45,343.53 = 18,710.50/x
  3. Step 3: Cross multiply
    32,857.66x = 45,343.53 × 18,710.50
  4. Step 4: Simplify right side
    32,857.66x = 848,400,118.07
  5. Step 5: Solve for x
    x = 848,400,118.07/32,857.66
  6. Step 6: Final answer
    x = 25,820.47

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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.