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Finding the Fourth Proportional to 61,154.42, 84,389.12 and 34,296.74

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Solution

The fourth proportional to 61,154.42, 84,389.12 and 34,296.74 is: 47,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,154.42 : 84,389.12 = 34,296.74 : x
  2. Step 2: Convert to fraction form
    61,154.42/84,389.12 = 34,296.74/x
  3. Step 3: Cross multiply
    61,154.42x = 84,389.12 × 34,296.74
  4. Step 4: Simplify right side
    61,154.42x = 2,894,271,707.47
  5. Step 5: Solve for x
    x = 2,894,271,707.47/61,154.42
  6. Step 6: Final answer
    x = 47,327.27

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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.