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Finding the Fourth Proportional to 26,473.60, 39,699.60 and 8,934.40

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Solution

The fourth proportional to 26,473.60, 39,699.60 and 8,934.40 is: 13,397.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,473.60 : 39,699.60 = 8,934.40 : x
  2. Step 2: Convert to fraction form
    26,473.60/39,699.60 = 8,934.40/x
  3. Step 3: Cross multiply
    26,473.60x = 39,699.60 × 8,934.40
  4. Step 4: Simplify right side
    26,473.60x = 354,692,106.24
  5. Step 5: Solve for x
    x = 354,692,106.24/26,473.60
  6. Step 6: Final answer
    x = 13,397.96

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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.