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Finding the Fourth Proportional to 63,575.16, 87,740.64 and 35,283.48

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Solution

The fourth proportional to 63,575.16, 87,740.64 and 35,283.48 is: 48,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,575.16 : 87,740.64 = 35,283.48 : x
  2. Step 2: Convert to fraction form
    63,575.16/87,740.64 = 35,283.48/x
  3. Step 3: Cross multiply
    63,575.16x = 87,740.64 × 35,283.48
  4. Step 4: Simplify right side
    63,575.16x = 3,095,795,116.63
  5. Step 5: Solve for x
    x = 3,095,795,116.63/63,575.16
  6. Step 6: Final answer
    x = 48,695.04

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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.