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Finding the Fourth Proportional to 58,110.40, 86,946.90 and 38,427.40

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Solution

The fourth proportional to 58,110.40, 86,946.90 and 38,427.40 is: 57,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,110.40 : 86,946.90 = 38,427.40 : x
  2. Step 2: Convert to fraction form
    58,110.40/86,946.90 = 38,427.40/x
  3. Step 3: Cross multiply
    58,110.40x = 86,946.90 × 38,427.40
  4. Step 4: Simplify right side
    58,110.40x = 3,341,143,305.06
  5. Step 5: Solve for x
    x = 3,341,143,305.06/58,110.40
  6. Step 6: Final answer
    x = 57,496.48

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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.