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Finding the Fourth Proportional to 35,979.60, 53,946.04 and 17,259.20

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Solution

The fourth proportional to 35,979.60, 53,946.04 and 17,259.20 is: 25,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.60 : 53,946.04 = 17,259.20 : x
  2. Step 2: Convert to fraction form
    35,979.60/53,946.04 = 17,259.20/x
  3. Step 3: Cross multiply
    35,979.60x = 53,946.04 × 17,259.20
  4. Step 4: Simplify right side
    35,979.60x = 931,065,493.57
  5. Step 5: Solve for x
    x = 931,065,493.57/35,979.60
  6. Step 6: Final answer
    x = 25,877.59

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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.