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Finding the Fourth Proportional to 32,490.98, 44,835.04 and 18,345.22

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Solution

The fourth proportional to 32,490.98, 44,835.04 and 18,345.22 is: 25,314.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.98 : 44,835.04 = 18,345.22 : x
  2. Step 2: Convert to fraction form
    32,490.98/44,835.04 = 18,345.22/x
  3. Step 3: Cross multiply
    32,490.98x = 44,835.04 × 18,345.22
  4. Step 4: Simplify right side
    32,490.98x = 822,508,672.51
  5. Step 5: Solve for x
    x = 822,508,672.51/32,490.98
  6. Step 6: Final answer
    x = 25,314.99

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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.