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Finding the Fourth Proportional to 12,068.51, 16,656.47 and 7,035.67

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Solution

The fourth proportional to 12,068.51, 16,656.47 and 7,035.67 is: 9,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.51 : 16,656.47 = 7,035.67 : x
  2. Step 2: Convert to fraction form
    12,068.51/16,656.47 = 7,035.67/x
  3. Step 3: Cross multiply
    12,068.51x = 16,656.47 × 7,035.67
  4. Step 4: Simplify right side
    12,068.51x = 117,189,438.31
  5. Step 5: Solve for x
    x = 117,189,438.31/12,068.51
  6. Step 6: Final answer
    x = 9,710.35

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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.