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Finding the Fourth Proportional to 50,877.60, 71,090.40 and 50,877.60

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Solution

The fourth proportional to 50,877.60, 71,090.40 and 50,877.60 is: 71,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,877.60 : 71,090.40 = 50,877.60 : x
  2. Step 2: Convert to fraction form
    50,877.60/71,090.40 = 50,877.60/x
  3. Step 3: Cross multiply
    50,877.60x = 71,090.40 × 50,877.60
  4. Step 4: Simplify right side
    50,877.60x = 3,616,908,935.04
  5. Step 5: Solve for x
    x = 3,616,908,935.04/50,877.60
  6. Step 6: Final answer
    x = 71,090.40

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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.