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Finding the Fourth Proportional to 62,100.65, 85,710.69 and 35,245.64

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Solution

The fourth proportional to 62,100.65, 85,710.69 and 35,245.64 is: 48,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,100.65 : 85,710.69 = 35,245.64 : x
  2. Step 2: Convert to fraction form
    62,100.65/85,710.69 = 35,245.64/x
  3. Step 3: Cross multiply
    62,100.65x = 85,710.69 × 35,245.64
  4. Step 4: Simplify right side
    62,100.65x = 3,020,927,695.34
  5. Step 5: Solve for x
    x = 3,020,927,695.34/62,100.65
  6. Step 6: Final answer
    x = 48,645.67

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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.