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Finding the Fourth Proportional to 63,622.36, 87,801.78 and 35,328.16

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Solution

The fourth proportional to 63,622.36, 87,801.78 and 35,328.16 is: 48,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,622.36 : 87,801.78 = 35,328.16 : x
  2. Step 2: Convert to fraction form
    63,622.36/87,801.78 = 35,328.16/x
  3. Step 3: Cross multiply
    63,622.36x = 87,801.78 × 35,328.16
  4. Step 4: Simplify right side
    63,622.36x = 3,101,875,332.12
  5. Step 5: Solve for x
    x = 3,101,875,332.12/63,622.36
  6. Step 6: Final answer
    x = 48,754.48

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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.