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Finding the Fourth Proportional to 52,415.56, 72,332.56 and 28,541.80

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Solution

The fourth proportional to 52,415.56, 72,332.56 and 28,541.80 is: 39,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.56 : 72,332.56 = 28,541.80 : x
  2. Step 2: Convert to fraction form
    52,415.56/72,332.56 = 28,541.80/x
  3. Step 3: Cross multiply
    52,415.56x = 72,332.56 × 28,541.80
  4. Step 4: Simplify right side
    52,415.56x = 2,064,501,461.01
  5. Step 5: Solve for x
    x = 2,064,501,461.01/52,415.56
  6. Step 6: Final answer
    x = 39,387.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.