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Finding the Fourth Proportional to 35,415.66, 53,087.04 and 15,703.50

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Solution

The fourth proportional to 35,415.66, 53,087.04 and 15,703.50 is: 23,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.66 : 53,087.04 = 15,703.50 : x
  2. Step 2: Convert to fraction form
    35,415.66/53,087.04 = 15,703.50/x
  3. Step 3: Cross multiply
    35,415.66x = 53,087.04 × 15,703.50
  4. Step 4: Simplify right side
    35,415.66x = 833,652,332.64
  5. Step 5: Solve for x
    x = 833,652,332.64/35,415.66
  6. Step 6: Final answer
    x = 23,539.09

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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.