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Finding the Fourth Proportional to 64,215.64, 96,313.74 and 17,472.16

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Solution

The fourth proportional to 64,215.64, 96,313.74 and 17,472.16 is: 26,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.64 : 96,313.74 = 17,472.16 : x
  2. Step 2: Convert to fraction form
    64,215.64/96,313.74 = 17,472.16/x
  3. Step 3: Cross multiply
    64,215.64x = 96,313.74 × 17,472.16
  4. Step 4: Simplify right side
    64,215.64x = 1,682,809,075.48
  5. Step 5: Solve for x
    x = 1,682,809,075.48/64,215.64
  6. Step 6: Final answer
    x = 26,205.60

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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.