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Finding the Fourth Proportional to 70,757.69, 97,644.81 and 52,689.24

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Solution

The fourth proportional to 70,757.69, 97,644.81 and 52,689.24 is: 72,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,757.69 : 97,644.81 = 52,689.24 : x
  2. Step 2: Convert to fraction form
    70,757.69/97,644.81 = 52,689.24/x
  3. Step 3: Cross multiply
    70,757.69x = 97,644.81 × 52,689.24
  4. Step 4: Simplify right side
    70,757.69x = 5,144,830,828.84
  5. Step 5: Solve for x
    x = 5,144,830,828.84/70,757.69
  6. Step 6: Final answer
    x = 72,710.55

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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.