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Finding the Fourth Proportional to 57,740.32, 79,681.04 and 32,590.88

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Solution

The fourth proportional to 57,740.32, 79,681.04 and 32,590.88 is: 44,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740.32 : 79,681.04 = 32,590.88 : x
  2. Step 2: Convert to fraction form
    57,740.32/79,681.04 = 32,590.88/x
  3. Step 3: Cross multiply
    57,740.32x = 79,681.04 × 32,590.88
  4. Step 4: Simplify right side
    57,740.32x = 2,596,875,212.92
  5. Step 5: Solve for x
    x = 2,596,875,212.92/57,740.32
  6. Step 6: Final answer
    x = 44,975.07

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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.