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Finding the Fourth Proportional to 64,984.80, 97,477.20 and 64,984.80

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Solution

The fourth proportional to 64,984.80, 97,477.20 and 64,984.80 is: 97,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,984.80 : 97,477.20 = 64,984.80 : x
  2. Step 2: Convert to fraction form
    64,984.80/97,477.20 = 64,984.80/x
  3. Step 3: Cross multiply
    64,984.80x = 97,477.20 × 64,984.80
  4. Step 4: Simplify right side
    64,984.80x = 6,334,536,346.56
  5. Step 5: Solve for x
    x = 6,334,536,346.56/64,984.80
  6. Step 6: Final answer
    x = 97,477.20

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Similar ratio
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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.