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Finding the Fourth Proportional to 52,903.62, 79,275.69 and 31,820.64

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Solution

The fourth proportional to 52,903.62, 79,275.69 and 31,820.64 is: 47,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,903.62 : 79,275.69 = 31,820.64 : x
  2. Step 2: Convert to fraction form
    52,903.62/79,275.69 = 31,820.64/x
  3. Step 3: Cross multiply
    52,903.62x = 79,275.69 × 31,820.64
  4. Step 4: Simplify right side
    52,903.62x = 2,522,603,192.24
  5. Step 5: Solve for x
    x = 2,522,603,192.24/52,903.62
  6. Step 6: Final answer
    x = 47,683.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.