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Finding the Fourth Proportional to 29,386.40, 44,079.60 and 17,693.60

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Solution

The fourth proportional to 29,386.40, 44,079.60 and 17,693.60 is: 26,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.40 : 44,079.60 = 17,693.60 : x
  2. Step 2: Convert to fraction form
    29,386.40/44,079.60 = 17,693.60/x
  3. Step 3: Cross multiply
    29,386.40x = 44,079.60 × 17,693.60
  4. Step 4: Simplify right side
    29,386.40x = 779,926,810.56
  5. Step 5: Solve for x
    x = 779,926,810.56/29,386.40
  6. Step 6: Final answer
    x = 26,540.40

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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.