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Finding the Fourth Proportional to 32,666.25, 45,078.10 and 19,238.07

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Solution

The fourth proportional to 32,666.25, 45,078.10 and 19,238.07 is: 26,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,666.25 : 45,078.10 = 19,238.07 : x
  2. Step 2: Convert to fraction form
    32,666.25/45,078.10 = 19,238.07/x
  3. Step 3: Cross multiply
    32,666.25x = 45,078.10 × 19,238.07
  4. Step 4: Simplify right side
    32,666.25x = 867,215,643.27
  5. Step 5: Solve for x
    x = 867,215,643.27/32,666.25
  6. Step 6: Final answer
    x = 26,547.76

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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.