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Finding the Fourth Proportional to 56,853.81, 78,465.80 and 32,975.55

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Solution

The fourth proportional to 56,853.81, 78,465.80 and 32,975.55 is: 45,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,853.81 : 78,465.80 = 32,975.55 : x
  2. Step 2: Convert to fraction form
    56,853.81/78,465.80 = 32,975.55/x
  3. Step 3: Cross multiply
    56,853.81x = 78,465.80 × 32,975.55
  4. Step 4: Simplify right side
    56,853.81x = 2,587,452,911.19
  5. Step 5: Solve for x
    x = 2,587,452,911.19/56,853.81
  6. Step 6: Final answer
    x = 45,510.63

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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.