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Finding the Fourth Proportional to 57,888.79, 79,889.89 and 32,394.93

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Solution

The fourth proportional to 57,888.79, 79,889.89 and 32,394.93 is: 44,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888.79 : 79,889.89 = 32,394.93 : x
  2. Step 2: Convert to fraction form
    57,888.79/79,889.89 = 32,394.93/x
  3. Step 3: Cross multiply
    57,888.79x = 79,889.89 × 32,394.93
  4. Step 4: Simplify right side
    57,888.79x = 2,588,027,394.26
  5. Step 5: Solve for x
    x = 2,588,027,394.26/57,888.79
  6. Step 6: Final answer
    x = 44,706.89

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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.