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Finding the Fourth Proportional to 10,603.94, 15,892.86 and 4,360.06

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Solution

The fourth proportional to 10,603.94, 15,892.86 and 4,360.06 is: 6,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.94 : 15,892.86 = 4,360.06 : x
  2. Step 2: Convert to fraction form
    10,603.94/15,892.86 = 4,360.06/x
  3. Step 3: Cross multiply
    10,603.94x = 15,892.86 × 4,360.06
  4. Step 4: Simplify right side
    10,603.94x = 69,293,823.17
  5. Step 5: Solve for x
    x = 69,293,823.17/10,603.94
  6. Step 6: Final answer
    x = 6,534.72

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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.