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Finding the Fourth Proportional to 70,668.60, 97,483.73 and 44,779.78

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Solution

The fourth proportional to 70,668.60, 97,483.73 and 44,779.78 is: 61,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,668.60 : 97,483.73 = 44,779.78 : x
  2. Step 2: Convert to fraction form
    70,668.60/97,483.73 = 44,779.78/x
  3. Step 3: Cross multiply
    70,668.60x = 97,483.73 × 44,779.78
  4. Step 4: Simplify right side
    70,668.60x = 4,365,299,982.98
  5. Step 5: Solve for x
    x = 4,365,299,982.98/70,668.60
  6. Step 6: Final answer
    x = 61,771.42

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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.