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Finding the Fourth Proportional to 65,598.89, 98,398.35 and 36,203.56

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Solution

The fourth proportional to 65,598.89, 98,398.35 and 36,203.56 is: 54,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,598.89 : 98,398.35 = 36,203.56 : x
  2. Step 2: Convert to fraction form
    65,598.89/98,398.35 = 36,203.56/x
  3. Step 3: Cross multiply
    65,598.89x = 98,398.35 × 36,203.56
  4. Step 4: Simplify right side
    65,598.89x = 3,562,370,322.13
  5. Step 5: Solve for x
    x = 3,562,370,322.13/65,598.89
  6. Step 6: Final answer
    x = 54,305.35

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1.5x scale

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.