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Finding the Fourth Proportional to 70,653.51, 97,501.91 and 38,824.29

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Solution

The fourth proportional to 70,653.51, 97,501.91 and 38,824.29 is: 53,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,653.51 : 97,501.91 = 38,824.29 : x
  2. Step 2: Convert to fraction form
    70,653.51/97,501.91 = 38,824.29/x
  3. Step 3: Cross multiply
    70,653.51x = 97,501.91 × 38,824.29
  4. Step 4: Simplify right side
    70,653.51x = 3,785,442,429.39
  5. Step 5: Solve for x
    x = 3,785,442,429.39/70,653.51
  6. Step 6: Final answer
    x = 53,577.56

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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.