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Finding the Fourth Proportional to 69,038.01, 95,271.85 and 38,822.69

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Solution

The fourth proportional to 69,038.01, 95,271.85 and 38,822.69 is: 53,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,038.01 : 95,271.85 = 38,822.69 : x
  2. Step 2: Convert to fraction form
    69,038.01/95,271.85 = 38,822.69/x
  3. Step 3: Cross multiply
    69,038.01x = 95,271.85 × 38,822.69
  4. Step 4: Simplify right side
    69,038.01x = 3,698,709,498.28
  5. Step 5: Solve for x
    x = 3,698,709,498.28/69,038.01
  6. Step 6: Final answer
    x = 53,574.97

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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.