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Finding the Fourth Proportional to 55,655.86, 83,482.90 and 17,704.58

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Solution

The fourth proportional to 55,655.86, 83,482.90 and 17,704.58 is: 26,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655.86 : 83,482.90 = 17,704.58 : x
  2. Step 2: Convert to fraction form
    55,655.86/83,482.90 = 17,704.58/x
  3. Step 3: Cross multiply
    55,655.86x = 83,482.90 × 17,704.58
  4. Step 4: Simplify right side
    55,655.86x = 1,478,029,681.68
  5. Step 5: Solve for x
    x = 1,478,029,681.68/55,655.86
  6. Step 6: Final answer
    x = 26,556.59

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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.