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Finding the Fourth Proportional to 70,326.63, 97,047.01 and 38,489.37

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Solution

The fourth proportional to 70,326.63, 97,047.01 and 38,489.37 is: 53,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,326.63 : 97,047.01 = 38,489.37 : x
  2. Step 2: Convert to fraction form
    70,326.63/97,047.01 = 38,489.37/x
  3. Step 3: Cross multiply
    70,326.63x = 97,047.01 × 38,489.37
  4. Step 4: Simplify right side
    70,326.63x = 3,735,278,275.28
  5. Step 5: Solve for x
    x = 3,735,278,275.28/70,326.63
  6. Step 6: Final answer
    x = 53,113.28

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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.