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Finding the Fourth Proportional to 57,590.36, 86,386.08 and 56,365.64

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Solution

The fourth proportional to 57,590.36, 86,386.08 and 56,365.64 is: 84,548.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,590.36 : 86,386.08 = 56,365.64 : x
  2. Step 2: Convert to fraction form
    57,590.36/86,386.08 = 56,365.64/x
  3. Step 3: Cross multiply
    57,590.36x = 86,386.08 × 56,365.64
  4. Step 4: Simplify right side
    57,590.36x = 4,869,206,686.29
  5. Step 5: Solve for x
    x = 4,869,206,686.29/57,590.36
  6. Step 6: Final answer
    x = 84,548.99

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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.