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Finding the Fourth Proportional to 48,187.80, 67,307.40 and 48,187.80

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Solution

The fourth proportional to 48,187.80, 67,307.40 and 48,187.80 is: 67,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,187.80 : 67,307.40 = 48,187.80 : x
  2. Step 2: Convert to fraction form
    48,187.80/67,307.40 = 48,187.80/x
  3. Step 3: Cross multiply
    48,187.80x = 67,307.40 × 48,187.80
  4. Step 4: Simplify right side
    48,187.80x = 3,243,395,529.72
  5. Step 5: Solve for x
    x = 3,243,395,529.72/48,187.80
  6. Step 6: Final answer
    x = 67,307.40

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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.