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Finding the Fourth Proportional to 52,615.36, 78,927.14 and 17,554.99

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Solution

The fourth proportional to 52,615.36, 78,927.14 and 17,554.99 is: 26,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,615.36 : 78,927.14 = 17,554.99 : x
  2. Step 2: Convert to fraction form
    52,615.36/78,927.14 = 17,554.99/x
  3. Step 3: Cross multiply
    52,615.36x = 78,927.14 × 17,554.99
  4. Step 4: Simplify right side
    52,615.36x = 1,385,565,153.43
  5. Step 5: Solve for x
    x = 1,385,565,153.43/52,615.36
  6. Step 6: Final answer
    x = 26,333.85

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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.