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Finding the Fourth Proportional to 55,176.80, 82,808.40 and 25,598.30

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Solution

The fourth proportional to 55,176.80, 82,808.40 and 25,598.30 is: 38,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.80 : 82,808.40 = 25,598.30 : x
  2. Step 2: Convert to fraction form
    55,176.80/82,808.40 = 25,598.30/x
  3. Step 3: Cross multiply
    55,176.80x = 82,808.40 × 25,598.30
  4. Step 4: Simplify right side
    55,176.80x = 2,119,754,265.72
  5. Step 5: Solve for x
    x = 2,119,754,265.72/55,176.80
  6. Step 6: Final answer
    x = 38,417.49

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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.