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Finding the Fourth Proportional to 27,465.71, 37,911.92 and 19,530.95

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Solution

The fourth proportional to 27,465.71, 37,911.92 and 19,530.95 is: 26,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,465.71 : 37,911.92 = 19,530.95 : x
  2. Step 2: Convert to fraction form
    27,465.71/37,911.92 = 19,530.95/x
  3. Step 3: Cross multiply
    27,465.71x = 37,911.92 × 19,530.95
  4. Step 4: Simplify right side
    27,465.71x = 740,455,526.71
  5. Step 5: Solve for x
    x = 740,455,526.71/27,465.71
  6. Step 6: Final answer
    x = 26,959.28

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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.