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Finding the Fourth Proportional to 39,483.51, 54,482.00 and 25,355.49

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Solution

The fourth proportional to 39,483.51, 54,482.00 and 25,355.49 is: 34,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,483.51 : 54,482.00 = 25,355.49 : x
  2. Step 2: Convert to fraction form
    39,483.51/54,482.00 = 25,355.49/x
  3. Step 3: Cross multiply
    39,483.51x = 54,482.00 × 25,355.49
  4. Step 4: Simplify right side
    39,483.51x = 1,381,417,679.40
  5. Step 5: Solve for x
    x = 1,381,417,679.40/39,483.51
  6. Step 6: Final answer
    x = 34,987.21

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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.