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Finding the Fourth Proportional to 64,977.96, 97,466.76 and 53,168.16

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Solution

The fourth proportional to 64,977.96, 97,466.76 and 53,168.16 is: 79,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.96 : 97,466.76 = 53,168.16 : x
  2. Step 2: Convert to fraction form
    64,977.96/97,466.76 = 53,168.16/x
  3. Step 3: Cross multiply
    64,977.96x = 97,466.76 × 53,168.16
  4. Step 4: Simplify right side
    64,977.96x = 5,182,128,290.36
  5. Step 5: Solve for x
    x = 5,182,128,290.36/64,977.96
  6. Step 6: Final answer
    x = 79,752.09

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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.