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Finding the Fourth Proportional to 27,095.80, 40,643.42 and 7,374.20

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Solution

The fourth proportional to 27,095.80, 40,643.42 and 7,374.20 is: 11,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,095.80 : 40,643.42 = 7,374.20 : x
  2. Step 2: Convert to fraction form
    27,095.80/40,643.42 = 7,374.20/x
  3. Step 3: Cross multiply
    27,095.80x = 40,643.42 × 7,374.20
  4. Step 4: Simplify right side
    27,095.80x = 299,712,707.76
  5. Step 5: Solve for x
    x = 299,712,707.76/27,095.80
  6. Step 6: Final answer
    x = 11,061.22

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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.