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Finding the Fourth Proportional to 14,101, 19,459.06 and 7,813.32

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Solution

The fourth proportional to 14,101, 19,459.06 and 7,813.32 is: 10,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101 : 19,459.06 = 7,813.32 : x
  2. Step 2: Convert to fraction form
    14,101/19,459.06 = 7,813.32/x
  3. Step 3: Cross multiply
    14,101x = 19,459.06 × 7,813.32
  4. Step 4: Simplify right side
    14,101x = 152,039,862.68
  5. Step 5: Solve for x
    x = 152,039,862.68/14,101
  6. Step 6: Final answer
    x = 10,782.20

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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.