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Finding the Fourth Proportional to 65,307.60, 97,884.86 and 30,173.45

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Solution

The fourth proportional to 65,307.60, 97,884.86 and 30,173.45 is: 45,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,307.60 : 97,884.86 = 30,173.45 : x
  2. Step 2: Convert to fraction form
    65,307.60/97,884.86 = 30,173.45/x
  3. Step 3: Cross multiply
    65,307.60x = 97,884.86 × 30,173.45
  4. Step 4: Simplify right side
    65,307.60x = 2,953,523,288.68
  5. Step 5: Solve for x
    x = 2,953,523,288.68/65,307.60
  6. Step 6: Final answer
    x = 45,224.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.