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Finding the Fourth Proportional to 46,858.89, 70,288.38 and 19,156.89

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Solution

The fourth proportional to 46,858.89, 70,288.38 and 19,156.89 is: 28,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,858.89 : 70,288.38 = 19,156.89 : x
  2. Step 2: Convert to fraction form
    46,858.89/70,288.38 = 19,156.89/x
  3. Step 3: Cross multiply
    46,858.89x = 70,288.38 × 19,156.89
  4. Step 4: Simplify right side
    46,858.89x = 1,346,506,763.94
  5. Step 5: Solve for x
    x = 1,346,506,763.94/46,858.89
  6. Step 6: Final answer
    x = 28,735.35

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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.