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Finding the Fourth Proportional to 52,700.16, 79,063.20 and 37,148.16

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Solution

The fourth proportional to 52,700.16, 79,063.20 and 37,148.16 is: 55,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,700.16 : 79,063.20 = 37,148.16 : x
  2. Step 2: Convert to fraction form
    52,700.16/79,063.20 = 37,148.16/x
  3. Step 3: Cross multiply
    52,700.16x = 79,063.20 × 37,148.16
  4. Step 4: Simplify right side
    52,700.16x = 2,937,052,403.71
  5. Step 5: Solve for x
    x = 2,937,052,403.71/52,700.16
  6. Step 6: Final answer
    x = 55,731.38

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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.