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Finding the Fourth Proportional to 65,009.80, 97,368.90 and 65,009.80

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Solution

The fourth proportional to 65,009.80, 97,368.90 and 65,009.80 is: 97,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,009.80 : 97,368.90 = 65,009.80 : x
  2. Step 2: Convert to fraction form
    65,009.80/97,368.90 = 65,009.80/x
  3. Step 3: Cross multiply
    65,009.80x = 97,368.90 × 65,009.80
  4. Step 4: Simplify right side
    65,009.80x = 6,329,932,715.22
  5. Step 5: Solve for x
    x = 6,329,932,715.22/65,009.80
  6. Step 6: Final answer
    x = 97,368.90

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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.