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Finding the Fourth Proportional to 35,459.52, 53,209.44 and 13,288.32

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Solution

The fourth proportional to 35,459.52, 53,209.44 and 13,288.32 is: 19,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.52 : 53,209.44 = 13,288.32 : x
  2. Step 2: Convert to fraction form
    35,459.52/53,209.44 = 13,288.32/x
  3. Step 3: Cross multiply
    35,459.52x = 53,209.44 × 13,288.32
  4. Step 4: Simplify right side
    35,459.52x = 707,064,065.74
  5. Step 5: Solve for x
    x = 707,064,065.74/35,459.52
  6. Step 6: Final answer
    x = 19,940.03

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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.