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Finding the Fourth Proportional to 46,641.60, 69,941.76 and 13,354.08

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Solution

The fourth proportional to 46,641.60, 69,941.76 and 13,354.08 is: 20,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,641.60 : 69,941.76 = 13,354.08 : x
  2. Step 2: Convert to fraction form
    46,641.60/69,941.76 = 13,354.08/x
  3. Step 3: Cross multiply
    46,641.60x = 69,941.76 × 13,354.08
  4. Step 4: Simplify right side
    46,641.60x = 934,007,858.38
  5. Step 5: Solve for x
    x = 934,007,858.38/46,641.60
  6. Step 6: Final answer
    x = 20,025.21

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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.