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Finding the Fourth Proportional to 70,477.80, 97,253.82 and 40,258.98

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Solution

The fourth proportional to 70,477.80, 97,253.82 and 40,258.98 is: 55,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,477.80 : 97,253.82 = 40,258.98 : x
  2. Step 2: Convert to fraction form
    70,477.80/97,253.82 = 40,258.98/x
  3. Step 3: Cross multiply
    70,477.80x = 97,253.82 × 40,258.98
  4. Step 4: Simplify right side
    70,477.80x = 3,915,339,594.30
  5. Step 5: Solve for x
    x = 3,915,339,594.30/70,477.80
  6. Step 6: Final answer
    x = 55,554.23

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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.