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Finding the Fourth Proportional to 29,048.16, 40,030.24 and 19,600.32

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Solution

The fourth proportional to 29,048.16, 40,030.24 and 19,600.32 is: 27,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,048.16 : 40,030.24 = 19,600.32 : x
  2. Step 2: Convert to fraction form
    29,048.16/40,030.24 = 19,600.32/x
  3. Step 3: Cross multiply
    29,048.16x = 40,030.24 × 19,600.32
  4. Step 4: Simplify right side
    29,048.16x = 784,605,513.68
  5. Step 5: Solve for x
    x = 784,605,513.68/29,048.16
  6. Step 6: Final answer
    x = 27,010.51

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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.