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Finding the Fourth Proportional to 29,425.60, 40,602.63 and 19,358.11

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Solution

The fourth proportional to 29,425.60, 40,602.63 and 19,358.11 is: 26,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,425.60 : 40,602.63 = 19,358.11 : x
  2. Step 2: Convert to fraction form
    29,425.60/40,602.63 = 19,358.11/x
  3. Step 3: Cross multiply
    29,425.60x = 40,602.63 × 19,358.11
  4. Step 4: Simplify right side
    29,425.60x = 785,990,177.83
  5. Step 5: Solve for x
    x = 785,990,177.83/29,425.60
  6. Step 6: Final answer
    x = 26,711.10

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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.