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Finding the Fourth Proportional to 53,808,544.80, 80,712,817.20 and 34,660,922.40

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Solution

The fourth proportional to 53,808,544.80, 80,712,817.20 and 34,660,922.40 is: 51,991,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,808,544.80 : 80,712,817.20 = 34,660,922.40 : x
  2. Step 2: Convert to fraction form
    53,808,544.80/80,712,817.20 = 34,660,922.40/x
  3. Step 3: Cross multiply
    53,808,544.80x = 80,712,817.20 × 34,660,922.40
  4. Step 4: Simplify right side
    53,808,544.80x = 2,797,580,693,654,585.50
  5. Step 5: Solve for x
    x = 2,797,580,693,654,585.50/53,808,544.80
  6. Step 6: Final answer
    x = 51,991,383.60

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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.