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Finding the Fourth Proportional to 46,395.68, 69,585.80 and 13,108.14

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Solution

The fourth proportional to 46,395.68, 69,585.80 and 13,108.14 is: 19,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,395.68 : 69,585.80 = 13,108.14 : x
  2. Step 2: Convert to fraction form
    46,395.68/69,585.80 = 13,108.14/x
  3. Step 3: Cross multiply
    46,395.68x = 69,585.80 × 13,108.14
  4. Step 4: Simplify right side
    46,395.68x = 912,140,342.87
  5. Step 5: Solve for x
    x = 912,140,342.87/46,395.68
  6. Step 6: Final answer
    x = 19,660.03

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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.