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Finding the Fourth Proportional to 9,707.40, 14,582.70 and 9,340.20

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Solution

The fourth proportional to 9,707.40, 14,582.70 and 9,340.20 is: 14,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707.40 : 14,582.70 = 9,340.20 : x
  2. Step 2: Convert to fraction form
    9,707.40/14,582.70 = 9,340.20/x
  3. Step 3: Cross multiply
    9,707.40x = 14,582.70 × 9,340.20
  4. Step 4: Simplify right side
    9,707.40x = 136,205,334.54
  5. Step 5: Solve for x
    x = 136,205,334.54/9,707.40
  6. Step 6: Final answer
    x = 14,031.08

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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.