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Finding the Fourth Proportional to 52,177.55, 72,004.71 and 28,303.71

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Solution

The fourth proportional to 52,177.55, 72,004.71 and 28,303.71 is: 39,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,177.55 : 72,004.71 = 28,303.71 : x
  2. Step 2: Convert to fraction form
    52,177.55/72,004.71 = 28,303.71/x
  3. Step 3: Cross multiply
    52,177.55x = 72,004.71 × 28,303.71
  4. Step 4: Simplify right side
    52,177.55x = 2,038,000,430.47
  5. Step 5: Solve for x
    x = 2,038,000,430.47/52,177.55
  6. Step 6: Final answer
    x = 39,058.96

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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.