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Finding the Fourth Proportional to 32,699.16, 45,123.48 and 18,552.78

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Solution

The fourth proportional to 32,699.16, 45,123.48 and 18,552.78 is: 25,602.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,699.16 : 45,123.48 = 18,552.78 : x
  2. Step 2: Convert to fraction form
    32,699.16/45,123.48 = 18,552.78/x
  3. Step 3: Cross multiply
    32,699.16x = 45,123.48 × 18,552.78
  4. Step 4: Simplify right side
    32,699.16x = 837,165,997.27
  5. Step 5: Solve for x
    x = 837,165,997.27/32,699.16
  6. Step 6: Final answer
    x = 25,602.06

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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.