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Finding the Fourth Proportional to 65,510.60, 98,265.90 and 28,064.30

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Solution

The fourth proportional to 65,510.60, 98,265.90 and 28,064.30 is: 42,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,510.60 : 98,265.90 = 28,064.30 : x
  2. Step 2: Convert to fraction form
    65,510.60/98,265.90 = 28,064.30/x
  3. Step 3: Cross multiply
    65,510.60x = 98,265.90 × 28,064.30
  4. Step 4: Simplify right side
    65,510.60x = 2,757,763,697.37
  5. Step 5: Solve for x
    x = 2,757,763,697.37/65,510.60
  6. Step 6: Final answer
    x = 42,096.45

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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.