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Finding the Fourth Proportional to 65,339.34, 97,885.68 and 38,605.56

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Solution

The fourth proportional to 65,339.34, 97,885.68 and 38,605.56 is: 57,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,339.34 : 97,885.68 = 38,605.56 : x
  2. Step 2: Convert to fraction form
    65,339.34/97,885.68 = 38,605.56/x
  3. Step 3: Cross multiply
    65,339.34x = 97,885.68 × 38,605.56
  4. Step 4: Simplify right side
    65,339.34x = 3,778,931,492.38
  5. Step 5: Solve for x
    x = 3,778,931,492.38/65,339.34
  6. Step 6: Final answer
    x = 57,835.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.