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Finding the Fourth Proportional to 70,795.59, 97,686.72 and 40,575.09

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Solution

The fourth proportional to 70,795.59, 97,686.72 and 40,575.09 is: 55,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,795.59 : 97,686.72 = 40,575.09 : x
  2. Step 2: Convert to fraction form
    70,795.59/97,686.72 = 40,575.09/x
  3. Step 3: Cross multiply
    70,795.59x = 97,686.72 × 40,575.09
  4. Step 4: Simplify right side
    70,795.59x = 3,963,647,455.80
  5. Step 5: Solve for x
    x = 3,963,647,455.80/70,795.59
  6. Step 6: Final answer
    x = 55,987.21

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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.