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Finding the Fourth Proportional to 29,574.60, 40,803.15 and 19,508.01

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Solution

The fourth proportional to 29,574.60, 40,803.15 and 19,508.01 is: 26,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,574.60 : 40,803.15 = 19,508.01 : x
  2. Step 2: Convert to fraction form
    29,574.60/40,803.15 = 19,508.01/x
  3. Step 3: Cross multiply
    29,574.60x = 40,803.15 × 19,508.01
  4. Step 4: Simplify right side
    29,574.60x = 795,988,258.23
  5. Step 5: Solve for x
    x = 795,988,258.23/29,574.60
  6. Step 6: Final answer
    x = 26,914.59

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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.