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Finding the Fourth Proportional to 32,893.70, 45,393.21 and 18,746.51

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Solution

The fourth proportional to 32,893.70, 45,393.21 and 18,746.51 is: 25,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,893.70 : 45,393.21 = 18,746.51 : x
  2. Step 2: Convert to fraction form
    32,893.70/45,393.21 = 18,746.51/x
  3. Step 3: Cross multiply
    32,893.70x = 45,393.21 × 18,746.51
  4. Step 4: Simplify right side
    32,893.70x = 850,964,038.23
  5. Step 5: Solve for x
    x = 850,964,038.23/32,893.70
  6. Step 6: Final answer
    x = 25,870.13

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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.