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Finding the Fourth Proportional to 27,041.16, 40,561.56 and 7,319.64

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Solution

The fourth proportional to 27,041.16, 40,561.56 and 7,319.64 is: 10,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,041.16 : 40,561.56 = 7,319.64 : x
  2. Step 2: Convert to fraction form
    27,041.16/40,561.56 = 7,319.64/x
  3. Step 3: Cross multiply
    27,041.16x = 40,561.56 × 7,319.64
  4. Step 4: Simplify right side
    27,041.16x = 296,896,017.04
  5. Step 5: Solve for x
    x = 296,896,017.04/27,041.16
  6. Step 6: Final answer
    x = 10,979.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.