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Finding the Fourth Proportional to 55,801.44, 83,700.41 and 13,681.64

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Solution

The fourth proportional to 55,801.44, 83,700.41 and 13,681.64 is: 20,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.44 : 83,700.41 = 13,681.64 : x
  2. Step 2: Convert to fraction form
    55,801.44/83,700.41 = 13,681.64/x
  3. Step 3: Cross multiply
    55,801.44x = 83,700.41 × 13,681.64
  4. Step 4: Simplify right side
    55,801.44x = 1,145,159,018.32
  5. Step 5: Solve for x
    x = 1,145,159,018.32/55,801.44
  6. Step 6: Final answer
    x = 20,522.03

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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.