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Finding the Fourth Proportional to 55,600.80, 83,401.20 and 37,886.10

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Solution

The fourth proportional to 55,600.80, 83,401.20 and 37,886.10 is: 56,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.80 : 83,401.20 = 37,886.10 : x
  2. Step 2: Convert to fraction form
    55,600.80/83,401.20 = 37,886.10/x
  3. Step 3: Cross multiply
    55,600.80x = 83,401.20 × 37,886.10
  4. Step 4: Simplify right side
    55,600.80x = 3,159,746,203.32
  5. Step 5: Solve for x
    x = 3,159,746,203.32/55,600.80
  6. Step 6: Final answer
    x = 56,829.15

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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.