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Finding the Fourth Proportional to 9,915.93, 14,854.28 and 7,453.53

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Solution

The fourth proportional to 9,915.93, 14,854.28 and 7,453.53 is: 11,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.93 : 14,854.28 = 7,453.53 : x
  2. Step 2: Convert to fraction form
    9,915.93/14,854.28 = 7,453.53/x
  3. Step 3: Cross multiply
    9,915.93x = 14,854.28 × 7,453.53
  4. Step 4: Simplify right side
    9,915.93x = 110,716,784.34
  5. Step 5: Solve for x
    x = 110,716,784.34/9,915.93
  6. Step 6: Final answer
    x = 11,165.55

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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.