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Finding the Fourth Proportional to 70,880.07, 97,810.92 and 39,048.33

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Solution

The fourth proportional to 70,880.07, 97,810.92 and 39,048.33 is: 53,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,880.07 : 97,810.92 = 39,048.33 : x
  2. Step 2: Convert to fraction form
    70,880.07/97,810.92 = 39,048.33/x
  3. Step 3: Cross multiply
    70,880.07x = 97,810.92 × 39,048.33
  4. Step 4: Simplify right side
    70,880.07x = 3,819,353,081.76
  5. Step 5: Solve for x
    x = 3,819,353,081.76/70,880.07
  6. Step 6: Final answer
    x = 53,884.73

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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.