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Finding the Fourth Proportional to 86,710.08, 130,070.16 and 24,385.44

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Solution

The fourth proportional to 86,710.08, 130,070.16 and 24,385.44 is: 36,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,710.08 : 130,070.16 = 24,385.44 : x
  2. Step 2: Convert to fraction form
    86,710.08/130,070.16 = 24,385.44/x
  3. Step 3: Cross multiply
    86,710.08x = 130,070.16 × 24,385.44
  4. Step 4: Simplify right side
    86,710.08x = 3,171,818,082.47
  5. Step 5: Solve for x
    x = 3,171,818,082.47/86,710.08
  6. Step 6: Final answer
    x = 36,579.58

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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.