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Finding the Fourth Proportional to 32,751.78, 45,196.16 and 18,603.06

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Solution

The fourth proportional to 32,751.78, 45,196.16 and 18,603.06 is: 25,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.78 : 45,196.16 = 18,603.06 : x
  2. Step 2: Convert to fraction form
    32,751.78/45,196.16 = 18,603.06/x
  3. Step 3: Cross multiply
    32,751.78x = 45,196.16 × 18,603.06
  4. Step 4: Simplify right side
    32,751.78x = 840,786,783.23
  5. Step 5: Solve for x
    x = 840,786,783.23/32,751.78
  6. Step 6: Final answer
    x = 25,671.48

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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.