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Finding the Fourth Proportional to 70,602.50, 97,453.32 and 45,452

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Solution

The fourth proportional to 70,602.50, 97,453.32 and 45,452 is: 62,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,602.50 : 97,453.32 = 45,452 : x
  2. Step 2: Convert to fraction form
    70,602.50/97,453.32 = 45,452/x
  3. Step 3: Cross multiply
    70,602.50x = 97,453.32 × 45,452
  4. Step 4: Simplify right side
    70,602.50x = 4,429,448,300.64
  5. Step 5: Solve for x
    x = 4,429,448,300.64/70,602.50
  6. Step 6: Final answer
    x = 62,737.84

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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.