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Finding the Fourth Proportional to 61,606.60, 85,016.58 and 33,312.04

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Solution

The fourth proportional to 61,606.60, 85,016.58 and 33,312.04 is: 45,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,606.60 : 85,016.58 = 33,312.04 : x
  2. Step 2: Convert to fraction form
    61,606.60/85,016.58 = 33,312.04/x
  3. Step 3: Cross multiply
    61,606.60x = 85,016.58 × 33,312.04
  4. Step 4: Simplify right side
    61,606.60x = 2,832,075,713.62
  5. Step 5: Solve for x
    x = 2,832,075,713.62/61,606.60
  6. Step 6: Final answer
    x = 45,970.33

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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.