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Finding the Fourth Proportional to 11,307.95, 15,604.95 and 6,272.93

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Solution

The fourth proportional to 11,307.95, 15,604.95 and 6,272.93 is: 8,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.95 : 15,604.95 = 6,272.93 : x
  2. Step 2: Convert to fraction form
    11,307.95/15,604.95 = 6,272.93/x
  3. Step 3: Cross multiply
    11,307.95x = 15,604.95 × 6,272.93
  4. Step 4: Simplify right side
    11,307.95x = 97,888,649.61
  5. Step 5: Solve for x
    x = 97,888,649.61/11,307.95
  6. Step 6: Final answer
    x = 8,656.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.