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Finding the Fourth Proportional to 55,480.84, 83,148.78 and 25,484.20

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Solution

The fourth proportional to 55,480.84, 83,148.78 and 25,484.20 is: 38,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.84 : 83,148.78 = 25,484.20 : x
  2. Step 2: Convert to fraction form
    55,480.84/83,148.78 = 25,484.20/x
  3. Step 3: Cross multiply
    55,480.84x = 83,148.78 × 25,484.20
  4. Step 4: Simplify right side
    55,480.84x = 2,118,980,139.28
  5. Step 5: Solve for x
    x = 2,118,980,139.28/55,480.84
  6. Step 6: Final answer
    x = 38,193.01

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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.