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Finding the Fourth Proportional to 55,497.40, 83,246.10 and 27,430.90

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Solution

The fourth proportional to 55,497.40, 83,246.10 and 27,430.90 is: 41,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,497.40 : 83,246.10 = 27,430.90 : x
  2. Step 2: Convert to fraction form
    55,497.40/83,246.10 = 27,430.90/x
  3. Step 3: Cross multiply
    55,497.40x = 83,246.10 × 27,430.90
  4. Step 4: Simplify right side
    55,497.40x = 2,283,515,444.49
  5. Step 5: Solve for x
    x = 2,283,515,444.49/55,497.40
  6. Step 6: Final answer
    x = 41,146.35

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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.