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Finding the Fourth Proportional to 10,347.58, 15,515.50 and 9,465.94

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Solution

The fourth proportional to 10,347.58, 15,515.50 and 9,465.94 is: 14,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.58 : 15,515.50 = 9,465.94 : x
  2. Step 2: Convert to fraction form
    10,347.58/15,515.50 = 9,465.94/x
  3. Step 3: Cross multiply
    10,347.58x = 15,515.50 × 9,465.94
  4. Step 4: Simplify right side
    10,347.58x = 146,868,792.07
  5. Step 5: Solve for x
    x = 146,868,792.07/10,347.58
  6. Step 6: Final answer
    x = 14,193.54

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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.