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Finding the Fourth Proportional to 65,641.42, 98,457.33 and 25,652.89

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Solution

The fourth proportional to 65,641.42, 98,457.33 and 25,652.89 is: 38,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,641.42 : 98,457.33 = 25,652.89 : x
  2. Step 2: Convert to fraction form
    65,641.42/98,457.33 = 25,652.89/x
  3. Step 3: Cross multiply
    65,641.42x = 98,457.33 × 25,652.89
  4. Step 4: Simplify right side
    65,641.42x = 2,525,715,056.18
  5. Step 5: Solve for x
    x = 2,525,715,056.18/65,641.42
  6. Step 6: Final answer
    x = 38,477.46

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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.