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Finding the Fourth Proportional to 16,985.16, 25,453.04 and 7,485.93

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Solution

The fourth proportional to 16,985.16, 25,453.04 and 7,485.93 is: 11,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.16 : 25,453.04 = 7,485.93 : x
  2. Step 2: Convert to fraction form
    16,985.16/25,453.04 = 7,485.93/x
  3. Step 3: Cross multiply
    16,985.16x = 25,453.04 × 7,485.93
  4. Step 4: Simplify right side
    16,985.16x = 190,539,638.30
  5. Step 5: Solve for x
    x = 190,539,638.30/16,985.16
  6. Step 6: Final answer
    x = 11,218.01

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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.