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Finding the Fourth Proportional to 70,480.56, 97,264.56 and 38,649.51

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Solution

The fourth proportional to 70,480.56, 97,264.56 and 38,649.51 is: 53,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,480.56 : 97,264.56 = 38,649.51 : x
  2. Step 2: Convert to fraction form
    70,480.56/97,264.56 = 38,649.51/x
  3. Step 3: Cross multiply
    70,480.56x = 97,264.56 × 38,649.51
  4. Step 4: Simplify right side
    70,480.56x = 3,759,227,584.37
  5. Step 5: Solve for x
    x = 3,759,227,584.37/70,480.56
  6. Step 6: Final answer
    x = 53,337.08

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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.