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Finding the Fourth Proportional to 65,752.34, 98,653.34 and 39,475.40

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Solution

The fourth proportional to 65,752.34, 98,653.34 and 39,475.40 is: 59,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,752.34 : 98,653.34 = 39,475.40 : x
  2. Step 2: Convert to fraction form
    65,752.34/98,653.34 = 39,475.40/x
  3. Step 3: Cross multiply
    65,752.34x = 98,653.34 × 39,475.40
  4. Step 4: Simplify right side
    65,752.34x = 3,894,379,663.26
  5. Step 5: Solve for x
    x = 3,894,379,663.26/65,752.34
  6. Step 6: Final answer
    x = 59,228.01

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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.