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Finding the Fourth Proportional to 34,642.96, 47,807.49 and 19,535.92

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Solution

The fourth proportional to 34,642.96, 47,807.49 and 19,535.92 is: 26,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,642.96 : 47,807.49 = 19,535.92 : x
  2. Step 2: Convert to fraction form
    34,642.96/47,807.49 = 19,535.92/x
  3. Step 3: Cross multiply
    34,642.96x = 47,807.49 × 19,535.92
  4. Step 4: Simplify right side
    34,642.96x = 933,963,300.04
  5. Step 5: Solve for x
    x = 933,963,300.04/34,642.96
  6. Step 6: Final answer
    x = 26,959.69

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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.