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Finding the Fourth Proportional to 29,430.76, 44,145.74 and 7,244.32

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Solution

The fourth proportional to 29,430.76, 44,145.74 and 7,244.32 is: 10,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.76 : 44,145.74 = 7,244.32 : x
  2. Step 2: Convert to fraction form
    29,430.76/44,145.74 = 7,244.32/x
  3. Step 3: Cross multiply
    29,430.76x = 44,145.74 × 7,244.32
  4. Step 4: Simplify right side
    29,430.76x = 319,805,857.72
  5. Step 5: Solve for x
    x = 319,805,857.72/29,430.76
  6. Step 6: Final answer
    x = 10,866.38

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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.