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Finding the Fourth Proportional to 52,588,938.60, 78,883,407.90 and 35,602,007.40

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Solution

The fourth proportional to 52,588,938.60, 78,883,407.90 and 35,602,007.40 is: 53,403,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,588,938.60 : 78,883,407.90 = 35,602,007.40 : x
  2. Step 2: Convert to fraction form
    52,588,938.60/78,883,407.90 = 35,602,007.40/x
  3. Step 3: Cross multiply
    52,588,938.60x = 78,883,407.90 × 35,602,007.40
  4. Step 4: Simplify right side
    52,588,938.60x = 2,808,407,671,793,018.50
  5. Step 5: Solve for x
    x = 2,808,407,671,793,018.50/52,588,938.60
  6. Step 6: Final answer
    x = 53,403,011.10

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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.