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Finding the Fourth Proportional to 30,007.86, 44,962.38 and 19,477.32

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Solution

The fourth proportional to 30,007.86, 44,962.38 and 19,477.32 is: 29,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.86 : 44,962.38 = 19,477.32 : x
  2. Step 2: Convert to fraction form
    30,007.86/44,962.38 = 19,477.32/x
  3. Step 3: Cross multiply
    30,007.86x = 44,962.38 × 19,477.32
  4. Step 4: Simplify right side
    30,007.86x = 875,746,663.22
  5. Step 5: Solve for x
    x = 875,746,663.22/30,007.86
  6. Step 6: Final answer
    x = 29,183.91

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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.