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Finding the Fourth Proportional to 58,756.13, 88,125.07 and 19,312.98

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Solution

The fourth proportional to 58,756.13, 88,125.07 and 19,312.98 is: 28,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,756.13 : 88,125.07 = 19,312.98 : x
  2. Step 2: Convert to fraction form
    58,756.13/88,125.07 = 19,312.98/x
  3. Step 3: Cross multiply
    58,756.13x = 88,125.07 × 19,312.98
  4. Step 4: Simplify right side
    58,756.13x = 1,701,957,714.41
  5. Step 5: Solve for x
    x = 1,701,957,714.41/58,756.13
  6. Step 6: Final answer
    x = 28,966.47

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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.