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Finding the Fourth Proportional to 26,369.48, 39,557.48 and 9,729.60

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Solution

The fourth proportional to 26,369.48, 39,557.48 and 9,729.60 is: 14,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,369.48 : 39,557.48 = 9,729.60 : x
  2. Step 2: Convert to fraction form
    26,369.48/39,557.48 = 9,729.60/x
  3. Step 3: Cross multiply
    26,369.48x = 39,557.48 × 9,729.60
  4. Step 4: Simplify right side
    26,369.48x = 384,878,457.41
  5. Step 5: Solve for x
    x = 384,878,457.41/26,369.48
  6. Step 6: Final answer
    x = 14,595.60

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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.