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Finding the Fourth Proportional to 70,059.68, 96,684.48 and 39,849.35

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Solution

The fourth proportional to 70,059.68, 96,684.48 and 39,849.35 is: 54,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,059.68 : 96,684.48 = 39,849.35 : x
  2. Step 2: Convert to fraction form
    70,059.68/96,684.48 = 39,849.35/x
  3. Step 3: Cross multiply
    70,059.68x = 96,684.48 × 39,849.35
  4. Step 4: Simplify right side
    70,059.68x = 3,852,813,199.67
  5. Step 5: Solve for x
    x = 3,852,813,199.67/70,059.68
  6. Step 6: Final answer
    x = 54,993.31

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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.