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Finding the Fourth Proportional to 10,815.95, 14,924.95 and 6,277.93

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Solution

The fourth proportional to 10,815.95, 14,924.95 and 6,277.93 is: 8,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.95 : 14,924.95 = 6,277.93 : x
  2. Step 2: Convert to fraction form
    10,815.95/14,924.95 = 6,277.93/x
  3. Step 3: Cross multiply
    10,815.95x = 14,924.95 × 6,277.93
  4. Step 4: Simplify right side
    10,815.95x = 93,697,738.35
  5. Step 5: Solve for x
    x = 93,697,738.35/10,815.95
  6. Step 6: Final answer
    x = 8,662.92

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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.