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Finding the Fourth Proportional to 46,871.49, 70,307.52 and 19,169.49

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Solution

The fourth proportional to 46,871.49, 70,307.52 and 19,169.49 is: 28,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,871.49 : 70,307.52 = 19,169.49 : x
  2. Step 2: Convert to fraction form
    46,871.49/70,307.52 = 19,169.49/x
  3. Step 3: Cross multiply
    46,871.49x = 70,307.52 × 19,169.49
  4. Step 4: Simplify right side
    46,871.49x = 1,347,759,301.56
  5. Step 5: Solve for x
    x = 1,347,759,301.56/46,871.49
  6. Step 6: Final answer
    x = 28,754.35

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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.