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Finding the Fourth Proportional to 65,459.64, 90,407.88 and 44,202

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Solution

The fourth proportional to 65,459.64, 90,407.88 and 44,202 is: 61,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,459.64 : 90,407.88 = 44,202 : x
  2. Step 2: Convert to fraction form
    65,459.64/90,407.88 = 44,202/x
  3. Step 3: Cross multiply
    65,459.64x = 90,407.88 × 44,202
  4. Step 4: Simplify right side
    65,459.64x = 3,996,209,111.76
  5. Step 5: Solve for x
    x = 3,996,209,111.76/65,459.64
  6. Step 6: Final answer
    x = 61,048.44

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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.