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Finding the Fourth Proportional to 63,479.04, 87,598.56 and 34,798.08

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Solution

The fourth proportional to 63,479.04, 87,598.56 and 34,798.08 is: 48,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,479.04 : 87,598.56 = 34,798.08 : x
  2. Step 2: Convert to fraction form
    63,479.04/87,598.56 = 34,798.08/x
  3. Step 3: Cross multiply
    63,479.04x = 87,598.56 × 34,798.08
  4. Step 4: Simplify right side
    63,479.04x = 3,048,261,698.76
  5. Step 5: Solve for x
    x = 3,048,261,698.76/63,479.04
  6. Step 6: Final answer
    x = 48,019.97

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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.