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Finding the Fourth Proportional to 64,803.38, 97,205.06 and 15,555.38

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Solution

The fourth proportional to 64,803.38, 97,205.06 and 15,555.38 is: 23,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,803.38 : 97,205.06 = 15,555.38 : x
  2. Step 2: Convert to fraction form
    64,803.38/97,205.06 = 15,555.38/x
  3. Step 3: Cross multiply
    64,803.38x = 97,205.06 × 15,555.38
  4. Step 4: Simplify right side
    64,803.38x = 1,512,061,199.09
  5. Step 5: Solve for x
    x = 1,512,061,199.09/64,803.38
  6. Step 6: Final answer
    x = 23,333.06

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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.