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Finding the Fourth Proportional to 46,093.68, 69,147.18 and 19,798.20

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Solution

The fourth proportional to 46,093.68, 69,147.18 and 19,798.20 is: 29,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,093.68 : 69,147.18 = 19,798.20 : x
  2. Step 2: Convert to fraction form
    46,093.68/69,147.18 = 19,798.20/x
  3. Step 3: Cross multiply
    46,093.68x = 69,147.18 × 19,798.20
  4. Step 4: Simplify right side
    46,093.68x = 1,368,989,699.08
  5. Step 5: Solve for x
    x = 1,368,989,699.08/46,093.68
  6. Step 6: Final answer
    x = 29,700.16

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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.