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Finding the Fourth Proportional to 64,485.84, 96,205.11 and 60,998.16

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Solution

The fourth proportional to 64,485.84, 96,205.11 and 60,998.16 is: 91,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485.84 : 96,205.11 = 60,998.16 : x
  2. Step 2: Convert to fraction form
    64,485.84/96,205.11 = 60,998.16/x
  3. Step 3: Cross multiply
    64,485.84x = 96,205.11 × 60,998.16
  4. Step 4: Simplify right side
    64,485.84x = 5,868,334,692.60
  5. Step 5: Solve for x
    x = 5,868,334,692.60/64,485.84
  6. Step 6: Final answer
    x = 91,001.91

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1.5x scale

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.