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Finding the Fourth Proportional to 65,420.20, 97,627.19 and 65,045.98

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Solution

The fourth proportional to 65,420.20, 97,627.19 and 65,045.98 is: 97,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,420.20 : 97,627.19 = 65,045.98 : x
  2. Step 2: Convert to fraction form
    65,420.20/97,627.19 = 65,045.98/x
  3. Step 3: Cross multiply
    65,420.20x = 97,627.19 × 65,045.98
  4. Step 4: Simplify right side
    65,420.20x = 6,350,256,248.20
  5. Step 5: Solve for x
    x = 6,350,256,248.20/65,420.20
  6. Step 6: Final answer
    x = 97,068.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.