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Finding the Fourth Proportional to 62,842.40, 94,263.60 and 31,738.40

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Solution

The fourth proportional to 62,842.40, 94,263.60 and 31,738.40 is: 47,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,842.40 : 94,263.60 = 31,738.40 : x
  2. Step 2: Convert to fraction form
    62,842.40/94,263.60 = 31,738.40/x
  3. Step 3: Cross multiply
    62,842.40x = 94,263.60 × 31,738.40
  4. Step 4: Simplify right side
    62,842.40x = 2,991,775,842.24
  5. Step 5: Solve for x
    x = 2,991,775,842.24/62,842.40
  6. Step 6: Final answer
    x = 47,607.60

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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.