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Finding the Fourth Proportional to 64,820.06, 97,230.12 and 15,572.06

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Solution

The fourth proportional to 64,820.06, 97,230.12 and 15,572.06 is: 23,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,820.06 : 97,230.12 = 15,572.06 : x
  2. Step 2: Convert to fraction form
    64,820.06/97,230.12 = 15,572.06/x
  3. Step 3: Cross multiply
    64,820.06x = 97,230.12 × 15,572.06
  4. Step 4: Simplify right side
    64,820.06x = 1,514,073,262.45
  5. Step 5: Solve for x
    x = 1,514,073,262.45/64,820.06
  6. Step 6: Final answer
    x = 23,358.10

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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.