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Finding the Fourth Proportional to 57,574.50, 79,458.65 and 32,085.01

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Solution

The fourth proportional to 57,574.50, 79,458.65 and 32,085.01 is: 44,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,574.50 : 79,458.65 = 32,085.01 : x
  2. Step 2: Convert to fraction form
    57,574.50/79,458.65 = 32,085.01/x
  3. Step 3: Cross multiply
    57,574.50x = 79,458.65 × 32,085.01
  4. Step 4: Simplify right side
    57,574.50x = 2,549,431,639.05
  5. Step 5: Solve for x
    x = 2,549,431,639.05/57,574.50
  6. Step 6: Final answer
    x = 44,280.57

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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.