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Finding the Fourth Proportional to 35,605.13, 53,407.88 and 9,309.93

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Solution

The fourth proportional to 35,605.13, 53,407.88 and 9,309.93 is: 13,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.13 : 53,407.88 = 9,309.93 : x
  2. Step 2: Convert to fraction form
    35,605.13/53,407.88 = 9,309.93/x
  3. Step 3: Cross multiply
    35,605.13x = 53,407.88 × 9,309.93
  4. Step 4: Simplify right side
    35,605.13x = 497,223,577.70
  5. Step 5: Solve for x
    x = 497,223,577.70/35,605.13
  6. Step 6: Final answer
    x = 13,964.94

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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.