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Finding the Fourth Proportional to 10,407.84, 15,606.16 and 4,557.64

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Solution

The fourth proportional to 10,407.84, 15,606.16 and 4,557.64 is: 6,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.84 : 15,606.16 = 4,557.64 : x
  2. Step 2: Convert to fraction form
    10,407.84/15,606.16 = 4,557.64/x
  3. Step 3: Cross multiply
    10,407.84x = 15,606.16 × 4,557.64
  4. Step 4: Simplify right side
    10,407.84x = 71,127,259.06
  5. Step 5: Solve for x
    x = 71,127,259.06/10,407.84
  6. Step 6: Final answer
    x = 6,834.01

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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.