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Finding the Fourth Proportional to 59,407.68, 81,968.16 and 32,911.68

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Solution

The fourth proportional to 59,407.68, 81,968.16 and 32,911.68 is: 45,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,407.68 : 81,968.16 = 32,911.68 : x
  2. Step 2: Convert to fraction form
    59,407.68/81,968.16 = 32,911.68/x
  3. Step 3: Cross multiply
    59,407.68x = 81,968.16 × 32,911.68
  4. Step 4: Simplify right side
    59,407.68x = 2,697,709,852.11
  5. Step 5: Solve for x
    x = 2,697,709,852.11/59,407.68
  6. Step 6: Final answer
    x = 45,410.12

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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.