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Finding the Fourth Proportional to 70,903.03, 97,846.84 and 39,073.07

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Solution

The fourth proportional to 70,903.03, 97,846.84 and 39,073.07 is: 53,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,903.03 : 97,846.84 = 39,073.07 : x
  2. Step 2: Convert to fraction form
    70,903.03/97,846.84 = 39,073.07/x
  3. Step 3: Cross multiply
    70,903.03x = 97,846.84 × 39,073.07
  4. Step 4: Simplify right side
    70,903.03x = 3,823,176,428.60
  5. Step 5: Solve for x
    x = 3,823,176,428.60/70,903.03
  6. Step 6: Final answer
    x = 53,921.20

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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.