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Finding the Fourth Proportional to 64,143.30, 88,510.09 and 35,459.10

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Solution

The fourth proportional to 64,143.30, 88,510.09 and 35,459.10 is: 48,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,143.30 : 88,510.09 = 35,459.10 : x
  2. Step 2: Convert to fraction form
    64,143.30/88,510.09 = 35,459.10/x
  3. Step 3: Cross multiply
    64,143.30x = 88,510.09 × 35,459.10
  4. Step 4: Simplify right side
    64,143.30x = 3,138,488,132.32
  5. Step 5: Solve for x
    x = 3,138,488,132.32/64,143.30
  6. Step 6: Final answer
    x = 48,929.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.