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Finding the Fourth Proportional to 61,173.84, 84,402.55 and 35,681.32

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Solution

The fourth proportional to 61,173.84, 84,402.55 and 35,681.32 is: 49,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,173.84 : 84,402.55 = 35,681.32 : x
  2. Step 2: Convert to fraction form
    61,173.84/84,402.55 = 35,681.32/x
  3. Step 3: Cross multiply
    61,173.84x = 84,402.55 × 35,681.32
  4. Step 4: Simplify right side
    61,173.84x = 3,011,594,395.37
  5. Step 5: Solve for x
    x = 3,011,594,395.37/61,173.84
  6. Step 6: Final answer
    x = 49,230.10

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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.