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Finding the Fourth Proportional to 64,745.70, 97,130.80 and 25,300.32

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Solution

The fourth proportional to 64,745.70, 97,130.80 and 25,300.32 is: 37,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,745.70 : 97,130.80 = 25,300.32 : x
  2. Step 2: Convert to fraction form
    64,745.70/97,130.80 = 25,300.32/x
  3. Step 3: Cross multiply
    64,745.70x = 97,130.80 × 25,300.32
  4. Step 4: Simplify right side
    64,745.70x = 2,457,440,321.86
  5. Step 5: Solve for x
    x = 2,457,440,321.86/64,745.70
  6. Step 6: Final answer
    x = 37,955.27

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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.