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Finding the Fourth Proportional to 57,897.34, 79,899.75 and 32,403.50

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Solution

The fourth proportional to 57,897.34, 79,899.75 and 32,403.50 is: 44,717.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,897.34 : 79,899.75 = 32,403.50 : x
  2. Step 2: Convert to fraction form
    57,897.34/79,899.75 = 32,403.50/x
  3. Step 3: Cross multiply
    57,897.34x = 79,899.75 × 32,403.50
  4. Step 4: Simplify right side
    57,897.34x = 2,589,031,549.13
  5. Step 5: Solve for x
    x = 2,589,031,549.13/57,897.34
  6. Step 6: Final answer
    x = 44,717.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.