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Finding the Fourth Proportional to 57,089.78, 85,598.13 and 27,448.58

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Solution

The fourth proportional to 57,089.78, 85,598.13 and 27,448.58 is: 41,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089.78 : 85,598.13 = 27,448.58 : x
  2. Step 2: Convert to fraction form
    57,089.78/85,598.13 = 27,448.58/x
  3. Step 3: Cross multiply
    57,089.78x = 85,598.13 × 27,448.58
  4. Step 4: Simplify right side
    57,089.78x = 2,349,547,119.16
  5. Step 5: Solve for x
    x = 2,349,547,119.16/57,089.78
  6. Step 6: Final answer
    x = 41,155.30

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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.