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Finding the Fourth Proportional to 58,064.20, 86,926.20 and 43,338.40

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Solution

The fourth proportional to 58,064.20, 86,926.20 and 43,338.40 is: 64,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,064.20 : 86,926.20 = 43,338.40 : x
  2. Step 2: Convert to fraction form
    58,064.20/86,926.20 = 43,338.40/x
  3. Step 3: Cross multiply
    58,064.20x = 86,926.20 × 43,338.40
  4. Step 4: Simplify right side
    58,064.20x = 3,767,242,426.08
  5. Step 5: Solve for x
    x = 3,767,242,426.08/58,064.20
  6. Step 6: Final answer
    x = 64,880.64

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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.