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Finding the Fourth Proportional to 70,865.88, 97,835.58 and 47,024.88

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Solution

The fourth proportional to 70,865.88, 97,835.58 and 47,024.88 is: 64,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,865.88 : 97,835.58 = 47,024.88 : x
  2. Step 2: Convert to fraction form
    70,865.88/97,835.58 = 47,024.88/x
  3. Step 3: Cross multiply
    70,865.88x = 97,835.58 × 47,024.88
  4. Step 4: Simplify right side
    70,865.88x = 4,600,706,409.23
  5. Step 5: Solve for x
    x = 4,600,706,409.23/70,865.88
  6. Step 6: Final answer
    x = 64,921.32

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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.