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Finding the Fourth Proportional to 70,588.39, 97,457.57 and 43,759.57

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Solution

The fourth proportional to 70,588.39, 97,457.57 and 43,759.57 is: 60,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,588.39 : 97,457.57 = 43,759.57 : x
  2. Step 2: Convert to fraction form
    70,588.39/97,457.57 = 43,759.57/x
  3. Step 3: Cross multiply
    70,588.39x = 97,457.57 × 43,759.57
  4. Step 4: Simplify right side
    70,588.39x = 4,264,701,137.65
  5. Step 5: Solve for x
    x = 4,264,701,137.65/70,588.39
  6. Step 6: Final answer
    x = 60,416.47

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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.