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Finding the Fourth Proportional to 63,698.16, 87,904.58 and 35,019.03

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Solution

The fourth proportional to 63,698.16, 87,904.58 and 35,019.03 is: 48,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,698.16 : 87,904.58 = 35,019.03 : x
  2. Step 2: Convert to fraction form
    63,698.16/87,904.58 = 35,019.03/x
  3. Step 3: Cross multiply
    63,698.16x = 87,904.58 × 35,019.03
  4. Step 4: Simplify right side
    63,698.16x = 3,078,333,124.16
  5. Step 5: Solve for x
    x = 3,078,333,124.16/63,698.16
  6. Step 6: Final answer
    x = 48,326.88

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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.