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Finding the Fourth Proportional to 57,764.10, 86,646.15 and 57,764.10

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Solution

The fourth proportional to 57,764.10, 86,646.15 and 57,764.10 is: 86,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.10 : 86,646.15 = 57,764.10 : x
  2. Step 2: Convert to fraction form
    57,764.10/86,646.15 = 57,764.10/x
  3. Step 3: Cross multiply
    57,764.10x = 86,646.15 × 57,764.10
  4. Step 4: Simplify right side
    57,764.10x = 5,005,036,873.22
  5. Step 5: Solve for x
    x = 5,005,036,873.22/57,764.10
  6. Step 6: Final answer
    x = 86,646.15

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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.