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Finding the Fourth Proportional to 58,957.40, 88,436.10 and 53,125.40

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Solution

The fourth proportional to 58,957.40, 88,436.10 and 53,125.40 is: 79,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,957.40 : 88,436.10 = 53,125.40 : x
  2. Step 2: Convert to fraction form
    58,957.40/88,436.10 = 53,125.40/x
  3. Step 3: Cross multiply
    58,957.40x = 88,436.10 × 53,125.40
  4. Step 4: Simplify right side
    58,957.40x = 4,698,203,186.94
  5. Step 5: Solve for x
    x = 4,698,203,186.94/58,957.40
  6. Step 6: Final answer
    x = 79,688.10

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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.