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Finding the Fourth Proportional to 70,483.45, 97,267.29 and 38,652.58

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Solution

The fourth proportional to 70,483.45, 97,267.29 and 38,652.58 is: 53,340.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,483.45 : 97,267.29 = 38,652.58 : x
  2. Step 2: Convert to fraction form
    70,483.45/97,267.29 = 38,652.58/x
  3. Step 3: Cross multiply
    70,483.45x = 97,267.29 × 38,652.58
  4. Step 4: Simplify right side
    70,483.45x = 3,759,631,708.11
  5. Step 5: Solve for x
    x = 3,759,631,708.11/70,483.45
  6. Step 6: Final answer
    x = 53,340.63

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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.