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Finding the Fourth Proportional to 9,312.00, 13,965.02 and 3,070.85

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Solution

The fourth proportional to 9,312.00, 13,965.02 and 3,070.85 is: 4,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.00 : 13,965.02 = 3,070.85 : x
  2. Step 2: Convert to fraction form
    9,312.00/13,965.02 = 3,070.85/x
  3. Step 3: Cross multiply
    9,312.00x = 13,965.02 × 3,070.85
  4. Step 4: Simplify right side
    9,312.00x = 42,884,411.84
  5. Step 5: Solve for x
    x = 42,884,411.84/9,312.00
  6. Step 6: Final answer
    x = 4,605.29

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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.