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Finding the Fourth Proportional to 28,700.64, 43,051.68 and 10,232.64

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Solution

The fourth proportional to 28,700.64, 43,051.68 and 10,232.64 is: 15,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.64 : 43,051.68 = 10,232.64 : x
  2. Step 2: Convert to fraction form
    28,700.64/43,051.68 = 10,232.64/x
  3. Step 3: Cross multiply
    28,700.64x = 43,051.68 × 10,232.64
  4. Step 4: Simplify right side
    28,700.64x = 440,532,342.84
  5. Step 5: Solve for x
    x = 440,532,342.84/28,700.64
  6. Step 6: Final answer
    x = 15,349.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.