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Finding the Fourth Proportional to 47,290.65, 65,261.60 and 26,070.67

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Solution

The fourth proportional to 47,290.65, 65,261.60 and 26,070.67 is: 35,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,290.65 : 65,261.60 = 26,070.67 : x
  2. Step 2: Convert to fraction form
    47,290.65/65,261.60 = 26,070.67/x
  3. Step 3: Cross multiply
    47,290.65x = 65,261.60 × 26,070.67
  4. Step 4: Simplify right side
    47,290.65x = 1,701,413,637.27
  5. Step 5: Solve for x
    x = 1,701,413,637.27/47,290.65
  6. Step 6: Final answer
    x = 35,977.80

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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.