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Finding the Fourth Proportional to 30,758.98, 46,123.88 and 15,953.08

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Solution

The fourth proportional to 30,758.98, 46,123.88 and 15,953.08 is: 23,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758.98 : 46,123.88 = 15,953.08 : x
  2. Step 2: Convert to fraction form
    30,758.98/46,123.88 = 15,953.08/x
  3. Step 3: Cross multiply
    30,758.98x = 46,123.88 × 15,953.08
  4. Step 4: Simplify right side
    30,758.98x = 735,817,947.55
  5. Step 5: Solve for x
    x = 735,817,947.55/30,758.98
  6. Step 6: Final answer
    x = 23,922.05

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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.