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Finding the Fourth Proportional to 35,937.60, 53,869.44 and 12,548.16

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Solution

The fourth proportional to 35,937.60, 53,869.44 and 12,548.16 is: 18,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,937.60 : 53,869.44 = 12,548.16 : x
  2. Step 2: Convert to fraction form
    35,937.60/53,869.44 = 12,548.16/x
  3. Step 3: Cross multiply
    35,937.60x = 53,869.44 × 12,548.16
  4. Step 4: Simplify right side
    35,937.60x = 675,962,352.23
  5. Step 5: Solve for x
    x = 675,962,352.23/35,937.60
  6. Step 6: Final answer
    x = 18,809.33

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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.