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Finding the Fourth Proportional to 45,188.01, 67,780.95 and 15,603.06

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Solution

The fourth proportional to 45,188.01, 67,780.95 and 15,603.06 is: 23,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.01 : 67,780.95 = 15,603.06 : x
  2. Step 2: Convert to fraction form
    45,188.01/67,780.95 = 15,603.06/x
  3. Step 3: Cross multiply
    45,188.01x = 67,780.95 × 15,603.06
  4. Step 4: Simplify right side
    45,188.01x = 1,057,590,229.71
  5. Step 5: Solve for x
    x = 1,057,590,229.71/45,188.01
  6. Step 6: Final answer
    x = 23,404.22

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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.