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Finding the Fourth Proportional to 57,877.60, 86,816.40 and 44,053.60

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Solution

The fourth proportional to 57,877.60, 86,816.40 and 44,053.60 is: 66,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,877.60 : 86,816.40 = 44,053.60 : x
  2. Step 2: Convert to fraction form
    57,877.60/86,816.40 = 44,053.60/x
  3. Step 3: Cross multiply
    57,877.60x = 86,816.40 × 44,053.60
  4. Step 4: Simplify right side
    57,877.60x = 3,824,574,959.04
  5. Step 5: Solve for x
    x = 3,824,574,959.04/57,877.60
  6. Step 6: Final answer
    x = 66,080.40

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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.