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Finding the Fourth Proportional to 19,032.77, 28,555.78 and 8,501.77

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Solution

The fourth proportional to 19,032.77, 28,555.78 and 8,501.77 is: 12,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.77 : 28,555.78 = 8,501.77 : x
  2. Step 2: Convert to fraction form
    19,032.77/28,555.78 = 8,501.77/x
  3. Step 3: Cross multiply
    19,032.77x = 28,555.78 × 8,501.77
  4. Step 4: Simplify right side
    19,032.77x = 242,774,732.31
  5. Step 5: Solve for x
    x = 242,774,732.31/19,032.77
  6. Step 6: Final answer
    x = 12,755.62

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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.