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Finding the Fourth Proportional to 35,647.03, 53,447.86 and 16,915.51

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Solution

The fourth proportional to 35,647.03, 53,447.86 and 16,915.51 is: 25,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.03 : 53,447.86 = 16,915.51 : x
  2. Step 2: Convert to fraction form
    35,647.03/53,447.86 = 16,915.51/x
  3. Step 3: Cross multiply
    35,647.03x = 53,447.86 × 16,915.51
  4. Step 4: Simplify right side
    35,647.03x = 904,097,810.31
  5. Step 5: Solve for x
    x = 904,097,810.31/35,647.03
  6. Step 6: Final answer
    x = 25,362.50

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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.