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Finding the Fourth Proportional to 70,699.50, 97,516.26 and 48,025.80

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Solution

The fourth proportional to 70,699.50, 97,516.26 and 48,025.80 is: 66,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,699.50 : 97,516.26 = 48,025.80 : x
  2. Step 2: Convert to fraction form
    70,699.50/97,516.26 = 48,025.80/x
  3. Step 3: Cross multiply
    70,699.50x = 97,516.26 × 48,025.80
  4. Step 4: Simplify right side
    70,699.50x = 4,683,296,399.51
  5. Step 5: Solve for x
    x = 4,683,296,399.51/70,699.50
  6. Step 6: Final answer
    x = 66,242.28

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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.