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Finding the Fourth Proportional to 35,668.95, 53,490.80 and 10,363.20

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Solution

The fourth proportional to 35,668.95, 53,490.80 and 10,363.20 is: 15,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,668.95 : 53,490.80 = 10,363.20 : x
  2. Step 2: Convert to fraction form
    35,668.95/53,490.80 = 10,363.20/x
  3. Step 3: Cross multiply
    35,668.95x = 53,490.80 × 10,363.20
  4. Step 4: Simplify right side
    35,668.95x = 554,335,858.56
  5. Step 5: Solve for x
    x = 554,335,858.56/35,668.95
  6. Step 6: Final answer
    x = 15,541.13

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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.