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Finding the Fourth Proportional to 22,713.16, 34,070.04 and 7,130.78

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Solution

The fourth proportional to 22,713.16, 34,070.04 and 7,130.78 is: 10,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.16 : 34,070.04 = 7,130.78 : x
  2. Step 2: Convert to fraction form
    22,713.16/34,070.04 = 7,130.78/x
  3. Step 3: Cross multiply
    22,713.16x = 34,070.04 × 7,130.78
  4. Step 4: Simplify right side
    22,713.16x = 242,946,027.18
  5. Step 5: Solve for x
    x = 242,946,027.18/22,713.16
  6. Step 6: Final answer
    x = 10,696.27

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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.