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Finding the Fourth Proportional to 41,132.88, 61,698.60 and 13,430.88

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Solution

The fourth proportional to 41,132.88, 61,698.60 and 13,430.88 is: 20,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,132.88 : 61,698.60 = 13,430.88 : x
  2. Step 2: Convert to fraction form
    41,132.88/61,698.60 = 13,430.88/x
  3. Step 3: Cross multiply
    41,132.88x = 61,698.60 × 13,430.88
  4. Step 4: Simplify right side
    41,132.88x = 828,666,492.77
  5. Step 5: Solve for x
    x = 828,666,492.77/41,132.88
  6. Step 6: Final answer
    x = 20,146.08

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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.