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Finding the Fourth Proportional to 28,892.48, 43,260.48 and 15,012.32

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Solution

The fourth proportional to 28,892.48, 43,260.48 and 15,012.32 is: 22,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.48 : 43,260.48 = 15,012.32 : x
  2. Step 2: Convert to fraction form
    28,892.48/43,260.48 = 15,012.32/x
  3. Step 3: Cross multiply
    28,892.48x = 43,260.48 × 15,012.32
  4. Step 4: Simplify right side
    28,892.48x = 649,439,952.81
  5. Step 5: Solve for x
    x = 649,439,952.81/28,892.48
  6. Step 6: Final answer
    x = 22,477.82

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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.