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Finding the Fourth Proportional to 13,066.60, 19,599.88 and 7,235.50

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Solution

The fourth proportional to 13,066.60, 19,599.88 and 7,235.50 is: 10,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.60 : 19,599.88 = 7,235.50 : x
  2. Step 2: Convert to fraction form
    13,066.60/19,599.88 = 7,235.50/x
  3. Step 3: Cross multiply
    13,066.60x = 19,599.88 × 7,235.50
  4. Step 4: Simplify right side
    13,066.60x = 141,814,931.74
  5. Step 5: Solve for x
    x = 141,814,931.74/13,066.60
  6. Step 6: Final answer
    x = 10,853.24

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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.