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Finding the Fourth Proportional to 65,569.80, 98,427.60 and 36,045.30

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Solution

The fourth proportional to 65,569.80, 98,427.60 and 36,045.30 is: 54,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,569.80 : 98,427.60 = 36,045.30 : x
  2. Step 2: Convert to fraction form
    65,569.80/98,427.60 = 36,045.30/x
  3. Step 3: Cross multiply
    65,569.80x = 98,427.60 × 36,045.30
  4. Step 4: Simplify right side
    65,569.80x = 3,547,852,370.28
  5. Step 5: Solve for x
    x = 3,547,852,370.28/65,569.80
  6. Step 6: Final answer
    x = 54,108.02

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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.