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Finding the Fourth Proportional to 35,681.72, 53,482.49 and 16,946.42

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Solution

The fourth proportional to 35,681.72, 53,482.49 and 16,946.42 is: 25,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.72 : 53,482.49 = 16,946.42 : x
  2. Step 2: Convert to fraction form
    35,681.72/53,482.49 = 16,946.42/x
  3. Step 3: Cross multiply
    35,681.72x = 53,482.49 × 16,946.42
  4. Step 4: Simplify right side
    35,681.72x = 906,336,653.45
  5. Step 5: Solve for x
    x = 906,336,653.45/35,681.72
  6. Step 6: Final answer
    x = 25,400.59

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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.