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Finding the Fourth Proportional to 35,090.64, 52,658.88 and 12,904.24

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Solution

The fourth proportional to 35,090.64, 52,658.88 and 12,904.24 is: 19,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,090.64 : 52,658.88 = 12,904.24 : x
  2. Step 2: Convert to fraction form
    35,090.64/52,658.88 = 12,904.24/x
  3. Step 3: Cross multiply
    35,090.64x = 52,658.88 × 12,904.24
  4. Step 4: Simplify right side
    35,090.64x = 679,522,825.65
  5. Step 5: Solve for x
    x = 679,522,825.65/35,090.64
  6. Step 6: Final answer
    x = 19,364.79

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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.