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Finding the Fourth Proportional to 70,295.33, 97,007.55 and 38,464.23

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Solution

The fourth proportional to 70,295.33, 97,007.55 and 38,464.23 is: 53,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295.33 : 97,007.55 = 38,464.23 : x
  2. Step 2: Convert to fraction form
    70,295.33/97,007.55 = 38,464.23/x
  3. Step 3: Cross multiply
    70,295.33x = 97,007.55 × 38,464.23
  4. Step 4: Simplify right side
    70,295.33x = 3,731,320,714.94
  5. Step 5: Solve for x
    x = 3,731,320,714.94/70,295.33
  6. Step 6: Final answer
    x = 53,080.63

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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.