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Finding the Fourth Proportional to 65,007.30, 97,365.15 and 65,007.30

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Solution

The fourth proportional to 65,007.30, 97,365.15 and 65,007.30 is: 97,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,007.30 : 97,365.15 = 65,007.30 : x
  2. Step 2: Convert to fraction form
    65,007.30/97,365.15 = 65,007.30/x
  3. Step 3: Cross multiply
    65,007.30x = 97,365.15 × 65,007.30
  4. Step 4: Simplify right side
    65,007.30x = 6,329,445,515.60
  5. Step 5: Solve for x
    x = 6,329,445,515.60/65,007.30
  6. Step 6: Final answer
    x = 97,365.15

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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.