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Finding the Fourth Proportional to 34,995.76, 48,294 and 19,080.16

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Solution

The fourth proportional to 34,995.76, 48,294 and 19,080.16 is: 26,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,995.76 : 48,294 = 19,080.16 : x
  2. Step 2: Convert to fraction form
    34,995.76/48,294 = 19,080.16/x
  3. Step 3: Cross multiply
    34,995.76x = 48,294 × 19,080.16
  4. Step 4: Simplify right side
    34,995.76x = 921,457,247.04
  5. Step 5: Solve for x
    x = 921,457,247.04/34,995.76
  6. Step 6: Final answer
    x = 26,330.54

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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.