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Finding the Fourth Proportional to 75,590.68, 113,347.14 and 34,015

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Solution

The fourth proportional to 75,590.68, 113,347.14 and 34,015 is: 51,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,590.68 : 113,347.14 = 34,015 : x
  2. Step 2: Convert to fraction form
    75,590.68/113,347.14 = 34,015/x
  3. Step 3: Cross multiply
    75,590.68x = 113,347.14 × 34,015
  4. Step 4: Simplify right side
    75,590.68x = 3,855,502,967.10
  5. Step 5: Solve for x
    x = 3,855,502,967.10/75,590.68
  6. Step 6: Final answer
    x = 51,005.00

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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.