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Finding the Fourth Proportional to 46,603.76, 69,905.63 and 11,543.45

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Solution

The fourth proportional to 46,603.76, 69,905.63 and 11,543.45 is: 17,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,603.76 : 69,905.63 = 11,543.45 : x
  2. Step 2: Convert to fraction form
    46,603.76/69,905.63 = 11,543.45/x
  3. Step 3: Cross multiply
    46,603.76x = 69,905.63 × 11,543.45
  4. Step 4: Simplify right side
    46,603.76x = 806,951,823.95
  5. Step 5: Solve for x
    x = 806,951,823.95/46,603.76
  6. Step 6: Final answer
    x = 17,315.17

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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.