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Finding the Fourth Proportional to 57,320.52, 85,998.04 and 17,881.80

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Solution

The fourth proportional to 57,320.52, 85,998.04 and 17,881.80 is: 26,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,320.52 : 85,998.04 = 17,881.80 : x
  2. Step 2: Convert to fraction form
    57,320.52/85,998.04 = 17,881.80/x
  3. Step 3: Cross multiply
    57,320.52x = 85,998.04 × 17,881.80
  4. Step 4: Simplify right side
    57,320.52x = 1,537,799,751.67
  5. Step 5: Solve for x
    x = 1,537,799,751.67/57,320.52
  6. Step 6: Final answer
    x = 26,828.08

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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.