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Finding the Fourth Proportional to 40,492.80, 60,663.06 and 27,322.20

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Solution

The fourth proportional to 40,492.80, 60,663.06 and 27,322.20 is: 40,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492.80 : 60,663.06 = 27,322.20 : x
  2. Step 2: Convert to fraction form
    40,492.80/60,663.06 = 27,322.20/x
  3. Step 3: Cross multiply
    40,492.80x = 60,663.06 × 27,322.20
  4. Step 4: Simplify right side
    40,492.80x = 1,657,448,257.93
  5. Step 5: Solve for x
    x = 1,657,448,257.93/40,492.80
  6. Step 6: Final answer
    x = 40,931.93

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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.