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Finding the Fourth Proportional to 70,880.36, 97,814.67 and 39,048.98

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Solution

The fourth proportional to 70,880.36, 97,814.67 and 39,048.98 is: 53,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,880.36 : 97,814.67 = 39,048.98 : x
  2. Step 2: Convert to fraction form
    70,880.36/97,814.67 = 39,048.98/x
  3. Step 3: Cross multiply
    70,880.36x = 97,814.67 × 39,048.98
  4. Step 4: Simplify right side
    70,880.36x = 3,819,563,092.54
  5. Step 5: Solve for x
    x = 3,819,563,092.54/70,880.36
  6. Step 6: Final answer
    x = 53,887.47

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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.