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Finding the Fourth Proportional to 8,059.40, 12,088.94 and 5,303.48

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Solution

The fourth proportional to 8,059.40, 12,088.94 and 5,303.48 is: 7,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059.40 : 12,088.94 = 5,303.48 : x
  2. Step 2: Convert to fraction form
    8,059.40/12,088.94 = 5,303.48/x
  3. Step 3: Cross multiply
    8,059.40x = 12,088.94 × 5,303.48
  4. Step 4: Simplify right side
    8,059.40x = 64,113,451.51
  5. Step 5: Solve for x
    x = 64,113,451.51/8,059.40
  6. Step 6: Final answer
    x = 7,955.11

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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.