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Finding the Fourth Proportional to 72,995.04, 109,492.30 and 17,591.04

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Solution

The fourth proportional to 72,995.04, 109,492.30 and 17,591.04 is: 26,386.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,995.04 : 109,492.30 = 17,591.04 : x
  2. Step 2: Convert to fraction form
    72,995.04/109,492.30 = 17,591.04/x
  3. Step 3: Cross multiply
    72,995.04x = 109,492.30 × 17,591.04
  4. Step 4: Simplify right side
    72,995.04x = 1,926,083,428.99
  5. Step 5: Solve for x
    x = 1,926,083,428.99/72,995.04
  6. Step 6: Final answer
    x = 26,386.50

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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.