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Finding the Fourth Proportional to 35,710.16, 53,557.95 and 13,515.89

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Solution

The fourth proportional to 35,710.16, 53,557.95 and 13,515.89 is: 20,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,710.16 : 53,557.95 = 13,515.89 : x
  2. Step 2: Convert to fraction form
    35,710.16/53,557.95 = 13,515.89/x
  3. Step 3: Cross multiply
    35,710.16x = 53,557.95 × 13,515.89
  4. Step 4: Simplify right side
    35,710.16x = 723,883,360.83
  5. Step 5: Solve for x
    x = 723,883,360.83/35,710.16
  6. Step 6: Final answer
    x = 20,271.08

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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.