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Finding the Fourth Proportional to 46,776.95, 70,156.95 and 13,488.83

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Solution

The fourth proportional to 46,776.95, 70,156.95 and 13,488.83 is: 20,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,776.95 : 70,156.95 = 13,488.83 : x
  2. Step 2: Convert to fraction form
    46,776.95/70,156.95 = 13,488.83/x
  3. Step 3: Cross multiply
    46,776.95x = 70,156.95 × 13,488.83
  4. Step 4: Simplify right side
    46,776.95x = 946,335,171.87
  5. Step 5: Solve for x
    x = 946,335,171.87/46,776.95
  6. Step 6: Final answer
    x = 20,230.80

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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.