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Finding the Fourth Proportional to 70,464.68, 97,241.23 and 38,632.90

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Solution

The fourth proportional to 70,464.68, 97,241.23 and 38,632.90 is: 53,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,464.68 : 97,241.23 = 38,632.90 : x
  2. Step 2: Convert to fraction form
    70,464.68/97,241.23 = 38,632.90/x
  3. Step 3: Cross multiply
    70,464.68x = 97,241.23 × 38,632.90
  4. Step 4: Simplify right side
    70,464.68x = 3,756,710,714.47
  5. Step 5: Solve for x
    x = 3,756,710,714.47/70,464.68
  6. Step 6: Final answer
    x = 53,313.39

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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.