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Finding the Fourth Proportional to 60,430.46, 83,389.15 and 34,938.46

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Solution

The fourth proportional to 60,430.46, 83,389.15 and 34,938.46 is: 48,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,430.46 : 83,389.15 = 34,938.46 : x
  2. Step 2: Convert to fraction form
    60,430.46/83,389.15 = 34,938.46/x
  3. Step 3: Cross multiply
    60,430.46x = 83,389.15 × 34,938.46
  4. Step 4: Simplify right side
    60,430.46x = 2,913,488,307.02
  5. Step 5: Solve for x
    x = 2,913,488,307.02/60,430.46
  6. Step 6: Final answer
    x = 48,212.25

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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.