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Finding the Fourth Proportional to 60,987.84, 84,147.22 and 35,140.06

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Solution

The fourth proportional to 60,987.84, 84,147.22 and 35,140.06 is: 48,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,987.84 : 84,147.22 = 35,140.06 : x
  2. Step 2: Convert to fraction form
    60,987.84/84,147.22 = 35,140.06/x
  3. Step 3: Cross multiply
    60,987.84x = 84,147.22 × 35,140.06
  4. Step 4: Simplify right side
    60,987.84x = 2,956,938,508.74
  5. Step 5: Solve for x
    x = 2,956,938,508.74/60,987.84
  6. Step 6: Final answer
    x = 48,484.07

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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.