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Finding the Fourth Proportional to 32,699.91, 45,124.52 and 18,553.53

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Solution

The fourth proportional to 32,699.91, 45,124.52 and 18,553.53 is: 25,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,699.91 : 45,124.52 = 18,553.53 : x
  2. Step 2: Convert to fraction form
    32,699.91/45,124.52 = 18,553.53/x
  3. Step 3: Cross multiply
    32,699.91x = 45,124.52 × 18,553.53
  4. Step 4: Simplify right side
    32,699.91x = 837,219,042.79
  5. Step 5: Solve for x
    x = 837,219,042.79/32,699.91
  6. Step 6: Final answer
    x = 25,603.10

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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.