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Finding the Fourth Proportional to 49,827.40, 69,810.20 and 49,827.40

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Solution

The fourth proportional to 49,827.40, 69,810.20 and 49,827.40 is: 69,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,827.40 : 69,810.20 = 49,827.40 : x
  2. Step 2: Convert to fraction form
    49,827.40/69,810.20 = 49,827.40/x
  3. Step 3: Cross multiply
    49,827.40x = 69,810.20 × 49,827.40
  4. Step 4: Simplify right side
    49,827.40x = 3,478,460,759.48
  5. Step 5: Solve for x
    x = 3,478,460,759.48/49,827.40
  6. Step 6: Final answer
    x = 69,810.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.