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Finding the Fourth Proportional to 64,203.12, 88,603.74 and 35,903.88

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Solution

The fourth proportional to 64,203.12, 88,603.74 and 35,903.88 is: 49,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,203.12 : 88,603.74 = 35,903.88 : x
  2. Step 2: Convert to fraction form
    64,203.12/88,603.74 = 35,903.88/x
  3. Step 3: Cross multiply
    64,203.12x = 88,603.74 × 35,903.88
  4. Step 4: Simplify right side
    64,203.12x = 3,181,218,048.51
  5. Step 5: Solve for x
    x = 3,181,218,048.51/64,203.12
  6. Step 6: Final answer
    x = 49,549.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.