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Finding the Fourth Proportional to 51,562.40, 72,012.40 and 51,562.40

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Solution

The fourth proportional to 51,562.40, 72,012.40 and 51,562.40 is: 72,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,562.40 : 72,012.40 = 51,562.40 : x
  2. Step 2: Convert to fraction form
    51,562.40/72,012.40 = 51,562.40/x
  3. Step 3: Cross multiply
    51,562.40x = 72,012.40 × 51,562.40
  4. Step 4: Simplify right side
    51,562.40x = 3,713,132,173.76
  5. Step 5: Solve for x
    x = 3,713,132,173.76/51,562.40
  6. Step 6: Final answer
    x = 72,012.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.