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Finding the Fourth Proportional to 65,064.80, 97,629.60 and 37,006.40

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Solution

The fourth proportional to 65,064.80, 97,629.60 and 37,006.40 is: 55,528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,064.80 : 97,629.60 = 37,006.40 : x
  2. Step 2: Convert to fraction form
    65,064.80/97,629.60 = 37,006.40/x
  3. Step 3: Cross multiply
    65,064.80x = 97,629.60 × 37,006.40
  4. Step 4: Simplify right side
    65,064.80x = 3,612,920,029.44
  5. Step 5: Solve for x
    x = 3,612,920,029.44/65,064.80
  6. Step 6: Final answer
    x = 55,528.03

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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.