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Finding the Fourth Proportional to 35,607.36, 53,406.96 and 9,314.64

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Solution

The fourth proportional to 35,607.36, 53,406.96 and 9,314.64 is: 13,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.36 : 53,406.96 = 9,314.64 : x
  2. Step 2: Convert to fraction form
    35,607.36/53,406.96 = 9,314.64/x
  3. Step 3: Cross multiply
    35,607.36x = 53,406.96 × 9,314.64
  4. Step 4: Simplify right side
    35,607.36x = 497,466,605.89
  5. Step 5: Solve for x
    x = 497,466,605.89/35,607.36
  6. Step 6: Final answer
    x = 13,970.89

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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.