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Finding the Fourth Proportional to 9,879.29, 14,818.93 and 3,637.00

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Solution

The fourth proportional to 9,879.29, 14,818.93 and 3,637.00 is: 5,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.29 : 14,818.93 = 3,637.00 : x
  2. Step 2: Convert to fraction form
    9,879.29/14,818.93 = 3,637.00/x
  3. Step 3: Cross multiply
    9,879.29x = 14,818.93 × 3,637.00
  4. Step 4: Simplify right side
    9,879.29x = 53,896,402.27
  5. Step 5: Solve for x
    x = 53,896,402.27/9,879.29
  6. Step 6: Final answer
    x = 5,455.50

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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.