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Finding the Fourth Proportional to 10,783.93, 14,889.93 and 10,611.70

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Solution

The fourth proportional to 10,783.93, 14,889.93 and 10,611.70 is: 14,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.93 : 14,889.93 = 10,611.70 : x
  2. Step 2: Convert to fraction form
    10,783.93/14,889.93 = 10,611.70/x
  3. Step 3: Cross multiply
    10,783.93x = 14,889.93 × 10,611.70
  4. Step 4: Simplify right side
    10,783.93x = 158,007,417.12
  5. Step 5: Solve for x
    x = 158,007,417.12/10,783.93
  6. Step 6: Final answer
    x = 14,652.13

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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.