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Finding the Fourth Proportional to 65,582.80, 97,751.60 and 63,422.80

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Solution

The fourth proportional to 65,582.80, 97,751.60 and 63,422.80 is: 94,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,582.80 : 97,751.60 = 63,422.80 : x
  2. Step 2: Convert to fraction form
    65,582.80/97,751.60 = 63,422.80/x
  3. Step 3: Cross multiply
    65,582.80x = 97,751.60 × 63,422.80
  4. Step 4: Simplify right side
    65,582.80x = 6,199,680,176.48
  5. Step 5: Solve for x
    x = 6,199,680,176.48/65,582.80
  6. Step 6: Final answer
    x = 94,532.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.