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Finding the Fourth Proportional to 57,681.93, 86,455.05 and 26,055.07

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Solution

The fourth proportional to 57,681.93, 86,455.05 and 26,055.07 is: 39,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,681.93 : 86,455.05 = 26,055.07 : x
  2. Step 2: Convert to fraction form
    57,681.93/86,455.05 = 26,055.07/x
  3. Step 3: Cross multiply
    57,681.93x = 86,455.05 × 26,055.07
  4. Step 4: Simplify right side
    57,681.93x = 2,252,592,379.60
  5. Step 5: Solve for x
    x = 2,252,592,379.60/57,681.93
  6. Step 6: Final answer
    x = 39,051.96

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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.